Que número disminuido en 32% es 520

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?

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

Which of the following represents the range of the graph of f(x) below