1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
quester [9]
3 years ago
11

If f(x)=3x^2-2 and g(x)=4x+2, what is the value of (f+g)(2)

Mathematics
1 answer:
elena-14-01-66 [18.8K]3 years ago
5 0

(f+g)(x)=3x^2-2+4x+2=3x^2+4x\\\\(f+g)(2)=3\cdot2^2+4\cdot2=12+8=20

You might be interested in
Jeff is baking a cake. The recipe says that he has to mix 32 grams of vanilla powder to the flour.
sergeinik [125]

If 1 cup of that particular vanilla powder has a mass of 128 grams, then \dfrac{2}{3} of a cup of vanilla powder has a mass of

\dfrac{2}{3} \cdot 128=\dfrac{256}{3}=85\dfrac{1}{3} grams.

Since

85\dfrac{1}{3}-32=53\dfrac{1}{3} grams and \dfrac{5}{12} of a cup of vanilla powder is

\dfrac{5}{12}\cdot 128=\dfrac{5\cdot 128}{12}=\dfrac{5\cdot 32}{3}=\dfrac{160}{3}=53\dfrac{1}{3},

then correct answer is that he went over by  \dfrac{5}{12}  of a cup.

Answer: correct choice is B.


3 0
3 years ago
Read 2 more answers
39.2 is what percent p of 112?
jok3333 [9.3K]
39.2 percent out of 112 that is 35%
3 0
3 years ago
Read 2 more answers
A decorative floor pattern has 1 red square tile surrounded by 12 blue tiles. Write an expression to show how many total red and
Nonamiya [84]

The general equation is that for every red tile, there must be 12 blue ones.

Algebraically this is expressed as b = 12r where r is red and b is blue. Your teacher might like you to express it as y = 12x where y is blue and x is red. The meaning is the same.

For beginners it might be easier to say b = 12r. So if you have 15 reds then r = 15

b = 12 * r

b = 12 * 15

b = 180 blue tiles.

8 0
3 years ago
Read 2 more answers
I need helpppppp asap
user100 [1]

Answer:

graph A

Step-by-step explanation:

When looking at a graph, there are two different axes. The vertical values--marked by the center up/down line--are "y-values"; and this is called the "y-axis"

The horizontal values--marked by the left/right line--are "x-values"; and this is called the "x-axis"

For the x-axis, values to the left side of the origin (the place where the y-axis and x-axis intercept) are smaller than 0--they are all negative values.

Values to the right side of the origin are positive--greater than 0.

For the y-axis, positive numbers are on the top half [once again, the midpoint / 0 is where the two lines are both = to 0; the origin] and negative numbers are on the bottom half.

Ordered pairs (points) are written as (x,y)

(x-value, y-value)

We are looking for a graph that decreases (along the y-axis), hits a point below the origin, and goes flat/stays constant.

When a graph is decreasing (note: we read graphs from left to right), the line of the graph is slanted downwards (it looks like a line going down).

So, if we look at the graphs, we can see Graph A descending, crossing the y-axis {crossing the middle line /vertical line / y-axis} at a value of -7, and then staying constant (it is no longer increasing or decreasing because the y-values stay the same)

hope this helps!!

4 0
1 year ago
For what values of x will 8+x to the third power be negative
Ganezh [65]

(8+x)^3 < 0

take the cube root

8+x <0

subtract 8

x<-8

Answer x<-8

6 0
3 years ago
Other questions:
  • What is the graph of the equation 4x – 5y = 15? A. B. C. D.
    14·1 answer
  • How many relay teams of 4 members can be chosen from a 6 member team to run in a relay race?
    6·1 answer
  • A restaurant has tables that seat 6 people and booths that seat 4 people. If the restaurant a total of 37 tables and booths that
    12·2 answers
  • Why 5 under 6 are the the same then 10 and 12
    10·2 answers
  • Which pair of lines are perpendicular lines?
    10·1 answer
  • In basketball there are 1,2, and 3 point shots. In the last game sarah scored a total of 25 points by making 13 total baskets. S
    11·1 answer
  • 4 cm<br>7 cm<br>2 em<br>10 cm<br>9 cm​
    15·1 answer
  • Triangle ABC is similar to triangle FGH.
    6·1 answer
  • The purpose of statstical inference is to provide information about
    15·1 answer
  • Find the gradient of the line 3y=2x/3+4​
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!