Britton rotated trapezoid abcd 180° on the coordinate plane. if angle b is 20° and angle d is 90°, what is the degree measurement of angle b′?
20°
70°
90°
180°

Solve the system of equations. y= 2x y= x^2 - 15

15 there is a line that includes the point 0,10 and has a slope of 7/4. what is it’s equation in slope intercept form

Does the function satisfy the hypotheses of the mean value theorem on the given interval? f(x) = 4x^2 + 3x + 4, [−1, 1] no, f is continuous on [−1, 1] but not differentiable on (−1, 1). no, f is not continuous on [−1, 1]. yes, f is continuous on [−1, 1] and differentiable on (−1, 1) since polynomials are continuous and differentiable on . there is not enough information to verify if this function satisfies the mean value theorem. yes, it does not matter if f is continuous or differentiable; every function satisfies the mean value theorem.