Given f (x) = -3x - 2 how do you solve f (-3) -2 = Please explain to me I do not understand!?

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Given f (x) = -3x - 2 how do you solve f (-3) -2 = Please explain to me I do not understand!?

2007-11-28 12:40:59 · 2 answers · asked by victoria r 1 in Science & Mathematics ➔ Mathematics

2 answers

f(-3) means you will substitute x for -3; f(-3) - 2 means you will subtract two from that answer:

f(x) = -3x-2 --- Given
f(-3) = -3(-3) -2 = 7 --- Replace x with -3
f(-3)-2 = 7-2 = 5

2007-11-28 12:47:05 · answer #1 · answered by someone2841 3 · 0⤊ 0⤋

f (x) = -3x - 2
f (-3) = -3(-3) - 2=7
f(-3)-2 would be 7-2=5

2007-11-28 20:43:07 · answer #2 · answered by RickSus R 5 · 0⤊ 0⤋