Question

F(x)=7x+15 vertical stretch by factor of -3

Answer 1

To vertically stretch a function by a factor of -3, we multiply the function by -3.

Given the function F(x) = 7x + 15, to vertically stretch it by a factor of -3, we multiply it by -3:

-3 * (7x + 15) = -21x - 45

So, the vertically stretched function is -21x - 45.