Answer:
9
Step-by-step explanation:
2x+3, and x=3
so 2(3) + 3
6 + 3
= 9
Answer:
<h2>f(-2) = 12.5</h2>
Step-by-step explanation:

f(-2) → put t = -2 to the equation of the function:

Use 

Standard form
solve for y
y-4=x+8
add 4 to both sides
y=x+12
30 im positive is the answer
Give me points first!! 9ft is the answer