If f(x)=8x+6, what is f(-1)
2 answers:
If I remember correctly this is how you solve it.
f(x)=8x+6
f(-1)=8(-1)+6
f(-1)=-8+6
f(-1)= -2
F(x) = 8x + 6
To find f(-1), substitute x = -1 :
f(-1) = 8(-1) + 6 = -8 + 6 = -2
Answer: f(-1) = -2
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10 cm = 5m
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