Question

PLEASE HELP FOR 50 POINTS

Use a graphing calculator to find the value of f(x) when x = −4 for the function
f(x) = -5/2 x^2 −5.
f (−4) =

Answer 1

Answer: f(-4) = 95

Explanation:

f(-4) = -5/2(-4/1)^2 - 5

f(-4) = (20/2)^2 - 5

f(-4) = 10^2 - 5

f(-4) = 100 - 5

f(-4) = 95

Answer 2

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Explanation: