The functions f (x) = 1/2x-3 and g(x) = -2x+ 2 intersect at x = -2. True or false?

InControl asked Jul 10, 2022

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35 votes

The functions f (x) = 1/2x-3 and g(x) = -2x+ 2 intersect
at x = -2. True or false?

InControl asked Jul 10, 2022

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15 votes

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Answer:

False

Explanation:

f(-2) = (1/2)(-2) -3 = -1 -3 = -4

g(-2) = -2(-2) +2 = 4 +2 = 6

The function values are not the same at x=-2, so the graphs do not intersect there.

The graphs intersect at x=2.

NickV answered Jul 15, 2022

by NickV

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