What is the VARIABLE in this expression: 4b + 8 *

In the diagram, gef and hef are congruent. what is the value of x

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d?

5. (04.07)which of the following exponential functions goes through the points (1, 12) and (2, 36)? (2 points)f(x) = 3(4)^xf(x) = 4(3)^-xf(x) = 3(4)^-xf(x) = 4(3)^x