Let f(x) = - 3x - 1, h(x) = - X+4. Find (h of)(7). (h of)(7)=

Which of the following equations is equivalent to x/3-6/x=1

Is the number 128.439 a rational number

Arrange the parabolas represented by the equations in increasing order with respect to the y-values of their directrixes. y = -x2 + 3x + 8 y = 2x2 + 15x + 18 y = x2 + 13x + 5 y = -2x2 + 4x + 8