For f(x) = 4x +1 and g(x) = x2 -5, find (f 3)(x).
A. 4x2 + x2 -5x-5
B. 4x2 -19
C. 4x² + x2 - 4x -6
D. 4x3 + x2 – 20x-5 yes

What is the size of the matrix resulting from

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years

Sam is a waiter at a local restaurant where he earns wages of $5 per hour sam figures that he also eams about $3 in tips for each person he serves sam works 6 hours on a particular day. if n represents the number of people sam serves that day, which of the following functions could sam use to figure ehis total earings for the do o a. en) = 30 o b. en) = 5n+ 18