Which is the graph of the step function f(x)?
.
-1, x < -1
f(x) = { 0, -15xs1
11, x> 1
1
2
3
4
5
x
19

(urgent ) use pi 3.14 to estimate the circumference of the circle to the nearest hundredth middle is 4in (urgent )

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

Which of the following graphs represents the function f(x) = 2^x