Mathematics, 30.01.2020 23:43, eylinglez3ovm16v
7. find the range of the function f(x) = 4x – 1 for the domain {–1, 0, 1, 2, 3}. (1 point)
{–5, –3, 0, 7, 11}
{–5, –4, –3, –2, –1}
{–11, –7, –3, 1, 5}
{–5, –1, 3, 7, 11}
8. find the slope of the graph of the following: 9x – 3y = 15 (1 point)
–3
3
–1/3
1/3
9. how many solutions does this system have?
x – 2y = 2
y = –2x + 5 (1 point)
infinitely many solutions
no solutions
two solutions
one solution
10. solve the system by either substitution or elimination.
3x – 5y = 21
2x + y = 1 (1 point)
(2, –3)
(2, 3)
(–2, –1)
(–2, 1)
11. what is the slope-intercept form of the equation 4x + 2y = 6? (1 point)
y = 2x + 3
y = 2x – 3
y = –2x – 3
y = –2x + 3
Answers: 3
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7. find the range of the function f(x) = 4x – 1 for the domain {–1, 0, 1, 2, 3}. (1 point)
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