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Neko [114]
3 years ago
6

Membership to a racket ball club has an application fee and a monthly fee that can be modeled by the function c(m) = 12.50m + 49

, where m is the number of months of membership. The club is running a special in which the application fee is being waived as well as the first month’s payment. This can be modeled by the function s(c) = c – 12.50.
Which function can be used to determine the total amount paid by someone who joined during the special depending on the number of months of membership?

s(c(m)) = m
s(c(m)) = 12.5m
s(c(m)) = m – 12.5
s(c(m)) = 12.5m – 12.5
Mathematics
1 answer:
Ghella [55]3 years ago
6 0

Answer: the last one

Step-by-step explanation:

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Because the given information gave 2 endpoints so we can choose one of these, then use the distance formula to get the radius
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siniylev [52]

Answer:

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12\cos^2x-9=0\qquad\text{add 9 to both sides}\\\\12\cos^2x=9\qquad\text{divide both sides by 12}\\\\\cos^2x=\dfrac{9}{12}\\\\\cos^2x=\dfrac{9:3}{12:3}\\\\\cos^2x=\dfrac{3}{4}\to\cos x=\pm\sqrt{\dfrac{3}{4}}\\\\\cos x=\pm\dfrac{\sqrt3}{2}\\\\\text{Look at the picture}\\\\x=\dfrac{\pi}{6}\ \vee\ x=\dfrac{5\pi}{6}\ \vee\ x=\dfrac{7\pi}{6}\ \vee\ x=\dfrac{11\pi}{6}

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