Answer:
6.25
Step-by-step explanation:
The Answer to all the questions are D C D D B
x = 15
f(x) = 4x² + 7x
= 4(-3)² + 7(-3)
= 36 + (-21)
= 15
F(x) (or y)=8
PEMDAS helps
5 cm
Since 1 inch is 2.5 cm, you'll haft to double that. Making the answer 5 cm.
