Use part 1 of the fundamental theorem of calculus to find the derivative of the function. f(x) = 0 x 7 + sec(9t) dt hint: 0 x 7 + sec(9t) dt = − x 0 7 + sec(9t) dt

Select the correct answer from each drop-down menu. the length of a rectangle is 5 inches more than its width. the area of the rectangle is 50 square inches. the quadratic equation that represents this situation is the length of the rectangle is inches.