Asked by maria
Given f(x)=8x+12, find and simplify the following:
Please write formulas as
34x2+2x+1x−1−12
in the format:
3x^2/4+2(x+1)/(x-1)-1/2.
(a) f(9)=
(b) f(−4)=
(c) f(4x)=
(d) 3f(x)=
(e) f(−x)=
(f) f(x−4)=
(g) f(x)−4=
many thanks :)
Please write formulas as
34x2+2x+1x−1−12
in the format:
3x^2/4+2(x+1)/(x-1)-1/2.
(a) f(9)=
(b) f(−4)=
(c) f(4x)=
(d) 3f(x)=
(e) f(−x)=
(f) f(x−4)=
(g) f(x)−4=
many thanks :)
Answers
Answered by
oobleck
I thought we had taken care of this already
Surely by the time you're in precal you know how to use the distributive property ...
f(x)=8x+12
f(-x) = 8(-x)+12 = -8x+12
f(x-4) = 8(x-4)+12 = 8x-32+12 = 8x-20
f(x)-4 = 8x+12-4 = 8x+4
Surely by the time you're in precal you know how to use the distributive property ...
f(x)=8x+12
f(-x) = 8(-x)+12 = -8x+12
f(x-4) = 8(x-4)+12 = 8x-32+12 = 8x-20
f(x)-4 = 8x+12-4 = 8x+4
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