30. When bluejeans are washed, about 1.5% of the blue dye is washed out every washing.
a) The jeans are considered faded when no more than 55% of the dye is left. How many washings are
necessary befo
Communication 112 marksl
Indicate whether the statement is true or false.
16. The derivative of a sinusoidal function is not another sinusoidal function.
17. The derivatives of the reciprocal trigonom
Trigonometry and Exponential Functions
Unit 4 Test
Name:
Date:
Knowledge/Understanding cfw_15 marks! '
Identify the choice that best completes the statement or answers the question.
Multiple Choic
1'
28. Find the equation of the tangent to y = a: that is parallel to y # x+ 5. (3 marks)
I
a e
e\
2.-
a:%+
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Twwna W4 lawman, was
(1.4) : 9m
7L llQ/Hl
'1', l
. Aggiication [12 marks]
29. The
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.4 .1. am \wzum :5 NW 1:35;! vxamplc begin 1! d
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.mr. (mm t