The Answer to this is 10 seconds
$59.15
42.25 x .4 = 16.90
42.25 + 16.90 = 59.15
F(3)=-18
You just replace x for three for your equation and then use Ofer of operations to solve it.
So f(3)= 21+ 2(3)-5(3)^2
The exponent goes first: f(3)= 21+ 2(3)-5(9)
Next is multiplication: f(3)= 21+ 6-45
Now add: f(3)= 27-45
Finally subtract: f(3)= -18
Hope this helps!
Answer:
1 / 2
Step-by-step explanation:
The average rate of change is the same as the slope.
Slope formula: (y₂ - y₁) / (x₂ - x₁)
= (5 - 3) / (2 - (-2))
= 2 / 4
= 1 / 2
