Social class in the United States is a controversial issue, with social scientists disagreeing over models, definitions, and even the basic question of whether or not distinct classes exist. 1) True 2) False

1. If \( f(x)=7 x+12 \) and \( f(g(x))=2 L x^{2}+40 \) Find \( g(4) \) A) 40 B) 52 C) 40 D) 50

4. Which theme does this passage want to express to the reader a. good overcomes evill b. honesty is the best policy c. the importance of family d. doos are fiendlier thon cots

\( f ( x \)

Given a modified exponential curve defined as \( x=a+b c^{t} \). Show all the steps

Solve the equation \( 5 x^{2}-6 x-3=0 \). Show all your working and give your answers correct to 2 decimal places.