Gina sells magazines part time. On Thursday, Friday, and Saturday, she sold $66 worth. On Thursday, she sold $3 more than on Friday. On Saturday, she sold $6 more than on Thursday. How much did she sell on Friday?

Mr. walker gave his class the function f(x) = (x + 3)(x + 5). four students made a claim about the function. each student’s claim is below. jeremiah: the y-intercept is at (15, 0). lindsay: the x-intercepts are at (–3, 0) and (5, 0). stephen: the vertex is at (–4, –1). alexis: the midpoint between the x-intercepts is at (4, 0). which student’s claim about the function is correct?

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?