Question

if f(m) =2m+8-5m^2;find the value of f(-2)​

Answer 1

Answer:

f(m) = 2m+8-5m²

f(-2) = 2×-2+8-5×(-2)²

f(-2) = -4+8-5×4

f(-2) = -4+8-20

f(-2) = 4-20 = -16...

SO , m = -16

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