PLEASE ANSWER FAST!! What is the equation in vertex form of a parabola with vertex (2, 4) that opens downward and is stretched by a factor of 3?
ANSWERS
f(x) = 3(x - 2)^2 – 4
f(x) = -3(x - 2)^2 + 4
f(x) = -3(x + 2)^2 + 4
f(x) = 3(x - 2)^2 + 4

With #! i’ve tried to figure it out but i can’t.

Which of the following is the true for f(x) = 5cos

Tod does not have any cookies. david gives jeff 8 cookies. then he splits half of the cookies he has left with tod. david let’s c represent the number of cookies that he starts with. he finds the number of cookies that tod has is 1/2 the difference of c and 8. write an expression to represent the number of cookies that tod has.