Answer:
f(-2) = -1
Step-by-step explanation:
f(x) = -x^2 + 3
f(-2) means when x is -2
Shown in the graph below, the point of solution is: (-2,-1), so when x is -2 y is -1
Answer:
18
Step-by-step explanation:
81π=πr^2
r= 9,-9
9+9=18
Answer:
The answer is c (54).
Step-by-step explanation:
Answer:
bobbie can multiply (y+6) divided by 3 by 3
Step-by-step explanation:
if y=9 then (9+6) divided by 3 is 5 so she would have to re multiply it by 3 to get 15 again