Given the piecewise function shown below, select all of the statements that are true. f(x)= {-3x, x< 0; 4,x=0; x^2, x> 0}
a. f(3)=9
b. f(4)=0
c. f(2)=4 d.
d. f(1)= -3

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

If f(x) and g(x) are inverse functions of each other, which of the following shows the graph of f(g(x)