Wilton drives a taxicab. He charges $40 per hour. On Tuesday, Wilton earned $30 in tips while driving customers around for the d
1 answer:
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Answer:
A: f(x)=10cos(2π/5 x)+10
Step-by-step explanation:
The coefficient of x in the cosine argument of the function will be 2π/period. Since the period is 5, the coefficient is 2π/5. This observation eliminates choices B and C.
The description "not a reflection of the parent function over the x-axis" means the multiplier of the cosine function is not negative, eliminating choice D.
The remaining choice A matches the description.
First, convert 23% into a fraction.
23% =
Now the expression to determine 23% of 122 is