Suppose that h is defined by h(t)=|t|+1. What is the range of h if the domain of h is the interval [-10,4]?

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)

Line u passes through points (-52, -18) and (-29, 53). line v passes through points (90, 33) and (19, 56). are line u and line v parallel or perpendicular?

Write the equation of the circle centered at (10,-2) with radius 2