Frank has $100 in a savings account. The interest rate is 9% per year and is not compounded. How much interest will he earn in 1 year?

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for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c

answer: 40392

step-by-step explanation:

10098 x 4 = 40392