Answer:
f(3) = 9
Step-by-step explanation:
Step 1: Define
f(x) = -2x + 15
x = 3
Step 2: Substitute and Evaluate
f(3) = -2(3) + 15
f(3) = -6 + 15
f(3) = 9
<span>0.04285714285 this is your answer </span>
Answer:
<u>Average</u><u> </u><u>rate</u><u> </u><u>of</u><u> </u><u>change</u><u> </u><u>is</u><u> </u><u>-</u><u> </u><u>1</u><u>/</u><u>6</u><u> </u><u>or</u><u> </u><u>-</u><u>0</u><u>.</u><u>1</u><u>6</u><u>6</u><u>…</u>
Step-by-step explanation:

f(-1):

f(3):

Average rate of change:


Just find the vertex and then compare with graph
#a
Parabola opening upwards
Graph 3
#2
Vertex at (-3,0)
Graph IV
#3
Parabola opening downwards as a is -ve
Graph I
#4
One graph is left