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ExamView - 4.5-4.7 Review Sheet H.tst
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ExamView - 4.5-4.7 Review Sheet H.tst
Short Answer. 1. Find the period and amplitude. ... 2. 13. Evaluate the expression. Round your result to two decimal places. arctan25. 14. Evaluate th...
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Name: ________________________ Class: ___________________ Date: __________
ID: A
4.5-4.7 Review Sheet H Short Answer 1. Find the period and amplitude.
7. Write an equation for the function that is
described by the given characteristics.
y 8 sin20x
A sine curve with a period of , an amplitude 2. Find the relationship between the graphs of f
of 4, a right phase shift of
and g . Consider amplitude, period, and shifts.
2
, and a vertical
translation up 2 unit.
f (x ) sinx
8. Consider the functions given by
g (x ) sin (x 3 )
f (x ) 3 sinx
3. Find the relationship between the graphs of f
and g . Consider amplitude, period, and shifts.
and
f (x ) cos x
g (x ) 3 csc x
1
g (x ) cos 5x
on the interval (0, ) . Describe the behavior of each of the functions as x approaches .
4. Find the relationship between the graphs of f
and g . Consider amplitude, period, and shifts.
9. State the period of the function.
f (x ) cos 7x
y sec 2x
g (x ) 3 cos 7x
10. State the period of the function.
5. Select the graph of the function. (Include two
full periods.) y tan
y sin5x 6. g is related to a parent function
x 3
11. Determine whether the function is even, odd,
f (x ) sin(x ) or f (x ) cos (x ).
or neither.
g (x ) cos (4x ) 3
f (x ) 5 sec x
Describe the sequence of transformations from f to g.
12. Evaluate the expression. Round your result to
two decimal places. arccos 0.27
1
Name: ________________________
ID: A
13. Evaluate the expression. Round your result to
18. Use the properties of inverse trigonometric
two decimal places.
functions to evaluate the expression.
arctan25
tan(arctan95)
14. Evaluate the expression. Round your result to
19. Use the properties of inverse trigonometric
two decimal places.
functions to evaluate the expression. arcsin(sin )
cos 1 0.24 15. Evaluate the expression. Round your result to
20. Find an algebraic expression that is equivalent
two decimal places.
to the expression.
ˆ 1 Ê tan ÁÁÁ 300 ˜˜˜ Ë ¯
sec (arctan4x )
16. Use an inverse trigonometric function to write
as a function of x .
ax b4 17. Use an inverse trigonometric function to write
as a function of x .
ax b7
2
ID: A
4.5-4.7 Review Sheet H Answer Section SHORT ANSWER 1. ANS:
Period:
10
; Amplitude: 8
PTS: 1 2. ANS:
REF: 4.5.13
PTS: 1 3. ANS:
REF: 4.5.19
g is a shift of f 3 units to the right.
The period of f is 5 times the period of g . PTS: 1 4. ANS:
REF: 4.5.23
g is a shift of f 3 units downwards. PTS: 1 5. ANS:
REF: 4.5.26
PTS: 1 6. ANS:
REF: 4.5.44
ÈÍ ÍÍ 3 One cycle of g (x ) corresponds to the interval ÍÍÍÍ , ÍÍ 4 4 Î units. PTS: 1
REF: 4.5.63a 1
˘˙ ˙˙ ˙˙˙ and g (x ) is obtained by shifting f (x ) upward 3 ˙˙ ˙˚
ID: A 7. ANS:
y 2 4 sin(2x )
PTS: 1 8. ANS:
REF: 4.5.83
PTS: 1 9. ANS:
REF: 4.6.65b
f approaches 0 and g approaches .
PTS: 1 10. ANS:
REF: 4.6.9
PTS: 1 11. ANS:
REF: 4.6.10
3
Even PTS: 1 12. ANS:
REF: 4.6.57
1.30 PTS: 1 13. ANS:
REF: 4.7.23
1.53 PTS: 1 14. ANS:
REF: 4.7.28
1.33 PTS: 1 15. ANS:
REF: 4.7.30
–1.51 PTS: 1 16. ANS:
arctan PTS: 1 17. ANS:
arccos PTS: 1
REF: 4.7.39
x 4 REF: 4.7.43
7
x REF: 4.7.44 2
ID: A 18. ANS:
95 PTS: 1 19. ANS:
REF: 4.7.50
0 PTS: 1 20. ANS:
REF: 4.7.53
16x 2 1 PTS: 1
REF: 4.7.70
3
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