4. A linear function of the form where m and b are real numbers. Its graph is a line with slope m
and y-intercept b.
a. f(x)f(x) = = mx + b
b. f(x) = x + b
c. f(x) = m + b
d. f(x) = y + b
5. Which of the following functions is linear?
a. f(x)=-3x2+5
b. f(x)=3x-5
c. f(x)=5x4-3
d. f(x)=5x+3
6. What is the value of b in the function f(x) = 3x + 4?
a. 3
b. 4
C.-3
d. -4
7. Which of the following functions is linear?
a. f(x) = 5x2 - 5 b. f(x) < x-1 c. f(x) = 3x + 2 d. f(x) = 3x - 7
8. Given a linear function f(x) = 3x - 8, find f(3).
a 4
b. -16
C. 1
d. 5.5
9. Barbara collects seashells. She has already had 8 and collects 2 seashells a week. Which function
represents the situation?
a. f(x) = 2x + 8
b. f(x) = 6x + 2
c. f(x) = 2x - 6
d. f(x) = 6x-2
10. At SS ATV rental agency, renting an ATV costs $2,000 pesos plus P200 per kilometers it is driven. Which
function represents the situation?
a. f(x) = x(2000 + 200)
b. f(x) = 2000x + 200
c. f(x) = 200x + 2000
d. f(x) = 200(x + 2000)
and y-intercept b.
a. f(x)f(x) = = mx + b
b. f(x) = x + b
c. f(x) = m + b
d. f(x) = y + b
5. Which of the following functions is linear?
a. f(x)=-3x2+5
b. f(x)=3x-5
c. f(x)=5x4-3
d. f(x)=5x+3
6. What is the value of b in the function f(x) = 3x + 4?
a. 3
b. 4
C.-3
d. -4
7. Which of the following functions is linear?
a. f(x) = 5x2 - 5 b. f(x) < x-1 c. f(x) = 3x + 2 d. f(x) = 3x - 7
8. Given a linear function f(x) = 3x - 8, find f(3).
a 4
b. -16
C. 1
d. 5.5
9. Barbara collects seashells. She has already had 8 and collects 2 seashells a week. Which function
represents the situation?
a. f(x) = 2x + 8
b. f(x) = 6x + 2
c. f(x) = 2x - 6
d. f(x) = 6x-2
10. At SS ATV rental agency, renting an ATV costs $2,000 pesos plus P200 per kilometers it is driven. Which
function represents the situation?
a. f(x) = x(2000 + 200)
b. f(x) = 2000x + 200
c. f(x) = 200x + 2000
d. f(x) = 200(x + 2000)
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