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
Tema [17]
2 years ago
7

If f(x)=2x^2+1 and g(x)= x^2-7 find (f-g)(x)

Mathematics
1 answer:
kvasek [131]2 years ago
3 0

Answer:

x² + 8

Step-by-step explanation:

(f - g)(x)

= f(x) - g(x)

= 2x² + 1 - (x² - 7)

= 2x² + 1 - x² + 7 ← collect like terms

= x² + 8

You might be interested in
I need help ? which linear function is represented by the graph?​
PilotLPTM [1.2K]
<h3>Answer: f(x) = (-1/2)x+1, choice B</h3>

=================================================

Explanation:

The diagonal line passes through 1 on the vertical y axis. So the y intercept is b = 1. This means the location of the y intercept is (0,1).

Start at (0,1) and move down 1 and to the right 2 to arrive at (2,0). This is another point on the diagonal line. The motion of "down 1 and right 2" is effectively the slope

slope = rise/run = -1/2

rise = -1, run = 2

The rise being negative means we have gone downhill as we move to the right.

With m = -1/2 as the slope and b = 1 as the y intercept, we go from y = mx+b to y = (-1/2)x+1

The last thing to do is replace y with f(x) to get f(x) = (-1/2)x+1 as the final answer.

4 0
3 years ago
Read 2 more answers
The value of the expression -2 xy for x = -4.7 and y = 0.2 is _____.
sergeinik [125]

The value of the expression -2xy for x = -4.7 and y = 0.2 is 1.88. Thus option number 3 is correct.

<u>Solution:</u>

We have been given an expression that is -2xy and have been asked to find its value for the given values of x and y

The given values of x and y are -4.7 and 0.2 respectively.

To find the value of the expression for the given values of x and y we substitute the values of x and y in the given expression and solve it as follows:

Given expression = -2xy

\begin{array}{l}{=-2(-4.7)(0.2)} \\\\ {=9.4 \times 0.2} \\\\ {=1.88}\end{array}

Hence the option number 3 is correct.

4 0
3 years ago
Read 2 more answers
MARKING BRAINLIEST!
attashe74 [19]

Answer:

10,350$

Step-by-step explanation:

2,300÷2=1,150

1,150×2=2,300

1,150×9=10,350

5 0
3 years ago
Read 2 more answers
What is the constant of proportionality (unit rate) for the following equation:<br> t = 3 · x
shtirl [24]

Answer:what ever x equals times 3

Step-by-step explanation:

6 0
3 years ago
What is 2×2×2×5÷5÷100×100-100+1000​
ivanzaharov [21]

Answer:

908

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Other questions:
  • 147.1 is what percent of 155
    7·1 answer
  • Ann took a taxi home from the airport. The taxi fare was
    7·1 answer
  • Simplify <br> (1/2k) (4k) + 12 <br><br> 2k 2 + 12<br> 14k 2<br> 2k + 12<br> 14k
    13·1 answer
  • Where is the center of CD given C(-6, 12) and D (13, 20)?
    12·1 answer
  • What is the arc length of arc CD in the circle below?
    5·2 answers
  • I will mark you brainiest if you can answer this
    15·1 answer
  • Please help ill give you brainliest
    11·2 answers
  • Kelly got a part time job and had to pay $150 worth of taxes, which was 10% of her monthly payment. How much money did she make
    11·2 answers
  • What is the slope of the line that passes through the points (1,3) and (-2,3) ?
    14·1 answer
  • 4. FGH - MNP. Solve for x.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!