Solve each equation by graphing the related function. if the equation has no real-number solution, write no solution. 1/4x^2-4=0

a. x = +/-3
b. x = +/-4
c. x = +/-2
d. no solution

An assembly consists of two mechanical components. suppose that the probabilities that the first and second components meet specifications are 0.87 and 0.84. assume that the components are independent. determine the probability mass function of the number of components in the assembly that meet specifications. x

Find the solution of system of equation y= x-4 y=4x+2

The parabola opens: y=√x-4 (principal square root) up down right left