14) Which of the following is NOT a function?
a) (1,4) (4,1) (2,3) (8,9)
c) (1,7) (2,7) (3,7)...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 30.10.2020 19:10, NetherisIsTheQueen
14) Which of the following is NOT a function?
a) (1,4) (4,1) (2,3) (8,9)
c) (1,7) (2,7) (3,7) (4,7)
b) (1,2) (1,3) (1,4) (1,5)
d) (9,8) (8,7) (7,6) (6,5)
15) If f(x) =-3x and g(x) = 4x-7, find h(x) = f(x) + g(x).
a) h(x) =X-7
c) h(x)= 7x-7
b) h(x) =-X-7
d) h(x)=-7x-7
16) Find the equation of the line containing the point (3,3), and parallel
to the line passing through the points (-2,0) and (0,8).
a) Y=4x
c) Y=-4x-15
b) Y=4x-9
d) Y=4x+9
17) Identify the range of the given domain: f(x) = 2x with D: (1,3,5,7}
a) {7,5,3,1}
c) {2,4,6,8)
b) {1,3,5,7)
d) {2,6,10,14}
18) Which function is the inverse of f(x)=2x-4?
a) f(x)=2x-4
c) f(x)= 72 x +2
b) f(x)=4x-2
d) f(x)=2x-2
19)
Use the given conditions to write a function in the form f(x) =mx+b.
m=2/3, and f(0) = -2
20)
If f(x) is -3 and g(x) is 6x-5, find h(x) = f(x) · g(x).
21)
What is the constant of variation -5y=-20x?
![answer](/tpl/images/cats/otvet.png)
Answers: 1
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