Hep fast: for f(x)=2x+1 and g(x)=x^2-7 fins (f o g)(x) a.)2x^2-13 b.)2x^3+x^2-14x-7 c.)3x^2+7x-6 d.)2x^3-x^2-7x-7

Abbey purchased a house using a fixed rate mortgage. the annual interest rate is 4.2% compounded monthly for 20 years. the mortgage amount is $235,000. what is the monthly payment on the mortgage? this isn't a multiple choice question have to show my work

What is the value of the expression below? (81^2)^1/8

Simplify this expression.2(10) + 2(x – 4) a. 2x + 16 b. x + 12 c. 2x + 12 d. x + 16