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
kakasveta [241]
3 years ago
7

Find f(7). f(x)=x^2+9 Find b(-2)-a(12). a(x)=13x-2;b(x)=8x-14

Mathematics
2 answers:
AVprozaik [17]3 years ago
6 0

Answer:

Step-by-step explanation:

f(7). f(x)=x^2+9

Put x = 7 in the equation

f(7) = 7^2 + 9 =58

Find b(-2)-a(12)

b(-2)=8x-14= -16-14=-30

a(x)=13x-2

a(12) =13×12 -2= 154

b(-2)-a(12) = -30-154

= -124

baherus [9]3 years ago
4 0

Answer:

f(7)=58

b(-2)-a(12)=-188

Step-by-step explanation:

f(7)=(7)^2+9

49+9

f(7)= 58

b(-2)-a(12)=8(-2)-14-13(12)-2

-16-14-156-2

=-188

You might be interested in
16^1/2 x 10^-2 <br><br>give answer in a fraction in simplest form
sergeinik [125]

The answer as a simplified fraction is

1/25

4 0
3 years ago
Estimate the value of 98.5x13
Tasya [4]
The actual answer is 1280.5 but it says estimate. I would put something like 1281 or 1279 as your final answer because your just estimating. I hope this helped.

Answer: 1281

7 0
4 years ago
Read 2 more answers
-3x^2+12x-8 in vertex form using the completing the square method! ASAP PLEASE WILL MARK U WHATEVER YOU WANT! WORK NEEDED
atroni [7]

Answer:

 -3x2 + 12x - 8

Step-by-step explanation:

Equation at the end of step 1

 ((0 -  3x2) +  12x) -  8

STEP

2

:

STEP

3

:

Pulling out like terms

3.1     Pull out like factors :

  -3x2 + 12x - 8  =   -1 • (3x2 - 12x + 8)  

Trying to factor by splitting the middle term

3.2     Factoring  3x2 - 12x + 8  

The first term is,  3x2  its coefficient is  3 .

The middle term is,  -12x  its coefficient is  -12 .

The last term, "the constant", is  +8  

Step-1 : Multiply the coefficient of the first term by the constant   3 • 8 = 24  

Step-2 : Find two factors of  24  whose sum equals the coefficient of the middle term, which is   -12 .

     -24    +    -1    =    -25  

     -12    +    -2    =    -14  

     -8    +    -3    =    -11  

     -6    +    -4    =    -10  

     -4    +    -6    =    -10  

     -3    +    -8    =    -11  

     -2    +    -12    =    -14  

     -1    +    -24    =    -25  

     1    +    24    =    25  

     2    +    12    =    14  

     3    +    8    =    11  

     4    +    6    =    10  

     6    +    4    =    10  

     8    +    3    =    11  

     12    +    2    =    14  

     24    +    1    =    25  

4 0
3 years ago
Read 2 more answers
8
Natasha_Volkova [10]

Answer:

the 5 for $2.45

4 0
3 years ago
Please help guys <br>I will be helping u in the days to come n follow u for sure​
love history [14]

Answer:

I'd 7587163850

Pass 123456

Join

3 0
3 years ago
Read 2 more answers
Other questions:
  • What is wzy to the nearest degree
    15·1 answer
  • Is (-8,-2) a solution to the systems of equations? X-4y=2<br> 5x-8y=-6
    5·1 answer
  • Write an equation to model the sum of the situation below.
    14·1 answer
  • the graph of F(x), shown below, has the same shape as the graph of G(x)=x^2. but it is shifted up 4 units and to the right 2 uni
    15·1 answer
  • Solve the following equation for d:b=cd
    15·2 answers
  • 24 cups in how many quarts
    5·2 answers
  • 7% decrease on a £6500 car.<br> he pays 12 every month
    7·1 answer
  • Drag each number to the correct location on the equations. Each number can be used more than once, but not all numbers will be u
    6·2 answers
  • Write a function for ''the output is one third of the input''
    8·1 answer
  • Class A has 13 pupils and class B has 16 pupils.
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!