What are the solutions to the quadratic equation 3(x − 4)2 = 75?

a. x = −9 and x = 1
b. x = −5 and x = 5
c. x = −4 and x = 4
d. x = −1 and x = 9

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

How to find the exponential function y=ca^x, with points (1,2) and (2,1)

The ivring berlin learning center would like a possible net profit of $650,000 on its new resource manual it sells to schools. the fixed costs for producing the manual are $780,000 and the variable cost per package is $19.85. if the estimated unit sales are 1,250,000 units, what selling price unit should the ivring berlin learning center try?