Alma has 5 crayons.her dad gives her 7 more crayons.how many crayons does Che have now? Use a related fact to check your answer?
2 answers:
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Answer:
<em>y = - cos ( </em><em> x + </em>
<em> ) </em>
Step-by-step explanation:
y = A cos ( Bx + C) + D
Vertical shift D = 0
A = - 1
Compression / Stretching B
Period of given function is
Period of cos x is 2π
=
⇒ B =
Horizontal shift is C ÷ B
Horizontal shift of given function is
= C ÷
⇒ C =
So, the equation of given function is
<em>y = - cos ( </em><em> x + </em>
<em> ) </em>
