Write the quadratic function in vertex form: f(x) = 8x2 + 2x - 5

For the function, f(x) = -5x 2, find f(-4).

Compare the cost of the bike trips from the two companies shown.for both the cost in a linear function of the number of days which statements is true

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.