Do not change the order of the numbers. you may put two numbers together to form a two-degit number.1 2 3 4 5 6 7 8 = 90

Write the summation to estimate the area under the curve y = 1 + x2 from x = -1 to x = 2 using 3 rectangles and right endpoints

Solve the equation: x - 9 = -6 + 5 a. 21 b. 7 c. 14 d. 2

What is the location of maximum over the interval [-3,1.5] for the graphed function?