Answer:
f(x) = 2x - 1
Step-by-step explanation:
Two ways you can see by just looking at the function:
1) 2x means that the function has a slope of 2.
2) -1 [ ( 0, -1 ) ] is the y-intercept.
Answer:
X = -4, y = 3
Step-by-step explanation:
Plug it in
-3x - 3(-5x - 17) = 3
-3x + 15x + 51 = 3
12x + 51 = 3
12x = -48
x = -4
plug it in to find y
Y = -5(-4) -17
y = 20 - 17
y = 3
Answer:
8256
Step-by-step explanation:
4 times n decreased by 3 at most 21
4 × n - 3 > 21
4+(-3)=1
n=20 and under