This is 6th grade math and this is my question: Write one problem using a dollar amount of $420 and a percent of 40%. Provide th
1 answer:
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ANSWER
C. 28
EXPLANATION
The given expression is
We want to evaluate this function at x=-2.
We just have to substitute x=-2 into the given expression.
In other words, we have to replace x with -2 wherever we see x in the expression
We evaluate the exponent to get
We multiply next to get:
We now add to obtain:
The correct answer is C