let f (x) = 2/5x^2 - 2. the function g (x) is a vertical stretch of f (x) by a factor of 2 what is the equation of g (x) ?

Question

Addisyn Lyons

Mathematics

18 September, 13:05

let f (x) = 2/5x^2 - 2. the function g (x) is a vertical stretch of f (x) by a factor of 2 what is the equation of g (x) ?

+2

Answers (1)

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Farmer · Answer 1

g (x) = 4/5 x² - 4

Step-by-step explanation:

∵ f (x) = 2/5 x² - 2

∵ f (x) stretched vertically by scale factor 2

∴ g (x) = 2[f (x) ]

∴ g (x) = 2[2/5 x² - 2] = 4/5 x² - 4