Your classmate graphs a line through (4 ,2) and (5, -1 ) and finds that the slope equals 3. Explain why your classmate is incorrect.

Which is f(5) for the function –2x2 + 2x - 3?

Diane’s bank is offering 5% interest, compounded monthly. if diane invests $10,500 and wants $20,000 when she withdrawals, how long should she keep her money in for? round to the nearest tenth of a year.

What is the arc length of the subtending arc for an angle of 72 degrees on a circle of radius 4? o a. 8a oc. 16 t d. 8