An artist used silver wire to make a square that has a perimeter of 40 inches. She then used copper wire to make the largest cir
cle that could fit in the square as, shown below.
What is the circumference of the copper circle? Use 3.14 to represent pi.
A. 3.14 inches
B. 31.4 inches
C. 15.7 inches
D. 78.5 inches
What is the circumference of the copper circle? Use 3.14 to represent pi.
A. 3.14 inches
B. 31.4 inches
C. 15.7 inches
D. 78.5 inches
1 answer:
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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>
