Urgent!! $5200 at 7.36% for 54 months **Find the Interest earned** **Find the Balance of the account**

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?

Can someone me out here number 4 plz

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).