Question

F(2)=20(1.25)^x
STEP BY STEP

Answer 1

f(2) = 20(1.25)^x

f(2) = 20(1.25)^2 - plug in 2 to x

f(2) = 20(1.5625) - calculate 1.25^2

f(2) = 31.25 - simplify

Answer 2

`\displaystyle 31,25`

Explanation:

When solving an exponential equation, according to the Order of Operations [GEMS\BOMDAS\PEMDAS etc.], in this case, you evaluate the exponent BEFORE multiplying:

`\displaystyle 20(1,25)^2 = 20(1,5625) = 31,25`

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