Answer: B.
Step-by-step explanation:
When there is an exponent of another exponent, you can multiply them together:
As such, the expression in the image can be simplified to
, or r ^ -42.
Negative exponents can also be represented by positive exponents in the denominator of a fraction.
For instance,
can be rewritten as
.
The correct answer is
.
Answer:
-15
Step-by-step explanation:
start from the inside and go out.
So first plug in -3 into g(x)
g(-3) = -3 - 7 = -10
then plug in -10 into f(x)
f(-10) = 2(-10) + 5 = -15
so f(g(x)) = -15
It should be 40'000 I think......