Answer: 30.5
Step-by-step explanation:
The output k at input t = -7 is -89
Step-by-step explanation:
In order to find the value of a expression on given number, we put the number in given expression in place of independent variable
So,
Given expression is:

It is given that the value of t has to be -7
so putting t=-7 in the expression

Hence,
The output k at input t = -7 is -89
Keywords: Expressions, input, output
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The first choice if ()2 means to the power of two if not then it is none of them.
Hello, we know that for a and b real numbers

So,

Thank you.