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F(x) = 4x² + 3x – 7 Find f(-3x)
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F(x) = 4x² + 3x – 7
Find f(-3x)

User Ineedahero
by
8.4k points

1 Answer

2 votes

Answer:

f(- 3x) = 36x² - 9x - 7

Explanation:

given

f(x) = 4x² + 3x - 7

to evaluate f(- 3x), substitute x = - 3x into f(x)

f(- 3x)

= 4(- 3x)² + 3(- 3x) - 7

= 4(9x²) - 9x - 7

= 36x² - 9x - 7

User Ortex
by
8.3k points
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