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Worksheetsfunction amt
Total questions: 16
Worksheet time: 38mins
Name
Class
Date
1.
Is this mapping a function or not a function?
a)
Function
b)
Not a Function
2.
Is this a function? Explain.
a)
Yes; it passes the horizontal line test.
b)
No; it is not a straight line.
c)
Yes; it passes the vertical line test.
d)
No; there is a line connecting the dots.
3.
Is the relation a function? Why.
a)
Yes, because the x-value 11 has two y-values pair with it.
b)
Yes, because each x-value has only one y-value paired with it.
c)
No, because the x-value 11 has two y-values pair with it.
d)
No, because each x-value has only one y-value paired with it.
4.
Evaluate f(-2) if f(x) = x2+ 3.
a)
-1
b)
1
c)
7
d)
-7
5.
Solve for f(5):
f(5) = -x + 4
f(5) = -x + 4
a)
9
b)
1
c)
-1
d)
-9
6.
Which set of values is not a function?
a)
(9,5) (10,5) (4,-5) (8,-5)
b)
(3,4) (4,-3) (7,4) (3, 8)
c)
(6,-5) (7, -3) (8, -1) (9, 1)
d)
(2, -2) (5, 9) (-5, -7) (1, 4)
7.
What is the domain of the graph?
a)
from x = 1 to x = 4
b)
from x = 2 to x = 6
c)
from y = 1 to y = 4
d)
from y = 2 to y = 6
8.
What is the range of the graph?
a)
from x = 1 to x = 4
b)
from x = 2 to x = 6
c)
from y = 1 to y = 4
d)
from y = 2 to y = 6
9.
if f(1) = 5 and g(1) = 3,
Evaluate f(1) + g(1)
a)
2
b)
8
c)
10
d)
15
10.
Consider: f(x) = x2 and g(x) = x+3
evaluate f(3) + g(3)
a)
6
b)
12
c)
15
d)
65
11.
f(x-2)
a)
2x2 - 13x + 18
b)
2x2 - 5x + 18
c)
2x2 - 8x + 3
d)
2x2 - 13x + 2
12.
Find f[g(5)]
a)
30
b)
242
c)
92
d)
2
13.
Given that f(x) = x2 + x and g(x) = 3x + 1, find the value of f(g(4)).
a)
182
b)
40
c)
61
d)
None of the Above
14.
f(x) = 3x + 10
g(x) = x - 2
Find g(f(x))
g(x) = x - 2
Find g(f(x))
a)
3x + 8
b)
3x - 2
c)
3x + 4
d)
None of these.
15.
f(n)=2n+1
g(n)=3n
Find f(n)+g(n)
g(n)=3n
Find f(n)+g(n)
a)
5n+1
b)
-5n+1
c)
-2n+1
d)
-6n-1
16.
f(x) = 3x + 10
g(x) = x - 2
Find (f∘g)(0)
(a)
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