Let f (x) = 4x2-5. A new quadratic function g (x) is the function f (x) stretched vertically by a factor of 2. What is the equation of this new function g (x) ? Question 5 options: g (x) = 4x2-3 g (x) = 8x2-10 g (x) = 4 (x+2) 2-5 g (x) = 8x2-5

Question

Abraham Valencia

Mathematics

7 May, 22:27

Let f (x) = 4x2-5. A new quadratic function g (x) is the function f (x) stretched vertically by a factor of 2. What is the equation of this new function g (x) ? Question 5 options: g (x) = 4x2-3 g (x) = 8x2-10 g (x) = 4 (x+2) 2-5 g (x) = 8x2-5

+5

Answers (1)

Know the Answer?

Giuliana Rivera · Answer 1

To vertically strech a function, f (x) by a factor of c, that is cf (x)

so strech vertically by 2 means times whole thing by 2

so

2 times (4x^2-5) = 8x^2-10

g (x) = 8x^2-10