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Worksheets05-07 No Calculator
Total questions: 40
Worksheet time: 43mins
Rewrite u = logvn in exponential form.
vu = n
nu = v
vn = u
un = v
A
B
C
D
This is an example of ... ?
domain and range of rational functions
domain and range of exponential functions
domain and range of cubic functions
domain and range of inverse functions
This is an example of ... ?
domain and range of exponential functions
domain and range of logarithmic functions
domain and range of rational functions
domain and range of cubic functions
What should you think first?
y = k ⋅ x
x ⋅ y = k
y = x / k
Bush did 9/11
This is an example of ... ?
inverse of exponential functions
inverse of rational functions
inverse of cubic functions
inverse of square root functions
What are the domain and range?
domain: (-∞, 3]
range: (-∞, ∞)
domain: [3, ∞)
range: (-∞, ∞)
domain: (-∞, ∞)
range: [-1, ∞)
domain: (-∞, ∞)
range: (-∞, ∞)
Where is the first error?
Step 1
Step 2
Step 3
No error!
Where is the first error?
Step 2
Step 3
Step 4
No error!
What are the domain and range of the function y=2x ?
Domain: (−∞, ∞)
Range: (0, ∞)
Domain: (−∞, ∞)
Range: (−∞, 0)
Domain: (−∞, 0)
Range: (−∞, ∞)
Domain: (0, ∞)
Range: (−∞, ∞)
g(x) = f(x+1)
g(x) = -5 f(x)
g(x) = f(x)+1
log525 =
2
5
15
20
log28 =
4
256
16
3
The inverse has been reflected over which line?
y = x
undefined
y = 0
x = 0
The graph of f(x) is shown. What is the domain of f-1(x)?
all real numbers
y < -3
y > -3
no
The graph of f(x) is shown. What is the range of f-1(x)?
all real numbers
y < -3
y > -3
yes
Which best describes the two tables?
They are both functions, but not inverse.
They are inverse functions.
They are inverse, but not functions.
They are neither inverse nor functions.
Which is f-1(x)?
(-8, -2) (-1, -1) (0, 0) (1, 1) (8, 2)
(2, 8) (1, 1) (0, 0) (-1, -1) (-2, -8)
(-2, -8) (-1, -1) (0, 0) (1, 1) (2, 8)
(2, 8) (1, 1) (0, 0) (1, 1) (2, 8)
log(100) =
10
1
5
2
Change to Logarithmic Form:
5 = 1/3(e)x+1 - 2
ln(x+1) = 21
ln(21) = x + 1
ln(x+1) = 17
ln(17) = x + 1
Rewrite 3 = log28 in exponential form.
28 = 3
23 = 8
32 = 8
83 = 2
Rewrite 5logp(8) + 20 = 10x in exponential form.
p2x - 4 = 8
p10x = 4
p10x - 20 = 40
5(p)10x = 28
Which one is the doggy?
Which is NOT equivalent to (3+5)(6-4)?
(8)(2)
18 - 12 + 30 - 20
3(2) + 5(2)
8(6) - 8(-4)
Which is NOT equivalent to 7(10 - 3)?
70 - 21
7(10 - 2 + 1)
72
7+7+7+7+7+7+7
Which is NOT equivalent to 3(2)4-1+2?
3(2)3+2
3(2)5
65
3(2)(2)(2)(2)(2)
Which is equivalent to 5(6 - 4)3?
(30 - 20)3
5(63 - 43)
103
5(8)
Giggles vary inversely as wiggles, when diggles are constant. Which equation represents this relation?
g = d ⋅ w
w = d ⋅ g
g = w / d
w = d / g
Gags vary inversely as dags, when wags are constant. Which equation represents this relation?
g = d ⋅ w
w = d ⋅ g
g = d / w
w = d / g
