Resolva as expressões numéricas : a) 30 + 100 : [10 +(60 – 4 x 10 – 10)]= b) {9 + 6 x [14 : 2 – 5 + (8 x 4 – 12)]}=

f(2x−x2)=−3x2+6x−1

step-by-step explanation:

set up the composite function and evaluate.

f(2x−x2)=−3x2+6x−1

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the answer is c.

perimeters = 3√10/5

areas = 90/25

i got it down chief.