12-11-2020
Mathematics

contestada

Find f (h(-5))
f (x) 9x - 5
g(x) - 3x
h(x) 2x2

Your answer:

Respuesta :

redbudtree84 redbudtree84

12-11-2020

hi

You are making f ° h

f(x) = 9x-5

h(x) = 2x²

You must first calculate h(-5) : so remplace x by -5 in h :

h(-5) = 2 (-5)² = 2* 25 = 50

then apply f(x) to result : f(50) = 9 *50 -5 = 450 -5 = 445

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