I will have to assume that you actually meant " e^(ln 7x). The exponential and logarithmic functions are inverses of each other, so d^(ln 7x) = 7x (answer C).
Step-by-step explanation:
1/4 + 1/2 + x = -3/4
1/4 + 2/4 + x = -3/4
3/4 + x = -3/4
-3/4. -3/4
x = - 1 1/2
