Question #fb223

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Answer 1 · 2018-01-18T20:51:40

17

Plug in -4 for x

f(-4)= #-5*4-3#
f(-4)=#20-3#
f(-4)=#17#

17 is your answer for x=-4

Answer 2 · 2018-01-18T21:55:39

#f(-4) = 17#

This means that we plug in #-4# for all #x# values and solve.

#f(-4) = -5(-4) + -3#

#f(-4) = 20 - 3#

#f(-4) = 17#