Solve. f(a) = 3(a + 2)^2 - 10 g(b) = 2/5b + 4 g(f(-2) )= ?????

Mathematics

1 answer:

s2008m [1.1K]3 years ago

6 0

Answer:

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Step-by-step explanation:

We can first solve this problem with each unit representing 1 centimeter, and then scale up at the very end. The shape that we have a parallelogram. The base is 8 cm, and the height is 2 cm. The formula for the area of a parallelogram is just $bh$ , so the area of the parallelogram is 16 square centimeters. However, now we scale up. Since each centimeter correlates to 5 meters, each little box will correlate to 25 square meters. Therefore, $16 \cdot 25 = \boxed{400}$ square meters is our answer