The graph shows a quadratic function.
If a system including the quadratic equation representing the parabola and a linear equation has no solution, which linear equation could be the second equation in the system?

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1

Sketch the region enclosed by the given curves. decide whether to integrate with respect to x or y. draw a typical approximating rectangle and label its height and width. y= 5x, y=7x^2then find the area s of the region.