For a given input value bbb, the function fff outputs a value aaa to satisfy the following equation.
4a + 7b = -524a+7b=−524, a, plus, 7, b, equals, minus, 52
write a formula for f(b)f(b)f, left parenthesis, b, right parenthesis in terms of bbb.

Idon’t feel like doing the math but you need to do 2.24 divided by 7

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.