Question

If f(x) = (3x + 8)/(2x - A) and f(0) = -2, what is the value of A?

Answer 1

Using the given info, we can determine that
$(3(0) + 8) \div (2(0) - a) = - 2$
simplify
$8 \div - a = - 2$
multiply both sides by -a
and divide each side by -2
$4 = a$
A = 4