Do you know the value of x?

im not sure but i think it is -7

Step-by-step explanation:

i think so just because looking at the top example but i might be wrong

5

Step-by-step explanation:

The image shown is a rectangle so that means the two sides given are equal to each other.

3x-3=x+7

since you know that now just solve it and youll

get x=5

answer: c

substitute in the values.

for a:

f(0) = 0 + 9

f(0) = 9

a is a solution.

for b:

f(7) = 14 + 9

f(7) = 23

b is a solution.

for c:

f (3) = 6 + 9

f(3) = 15

c is not a solution. it's supposed to be 14.

for d:

f(2) = 4 + 9

f(2)= 13

d is a solution.

your answer is #3 , 8 - 3 square root of 11