Answer:
a
Step-by-step explanation:
Answer:
A.
Step-by-step explanation:
A.
In graph A no two points have the same x-coordinate. That makes it a function.
Answer:
36
Step-by-step explanation:
add the total that signed up for chemistry with the total that signed up for english which would be 20+16=36
F(x)=3x^2 - 2x +1
f(-1)=3(-1)^2-2(-1)+1
f(-1)=3( 1 ) +2+1
f(-1)=3+3
f(-1)=6