Answer:
Total minutes = 47 Minutes
Step-by-step explanation:
A telephone company in germany charges 0.12 euro per minute to call the US after a connection fee of 1.50 euro
Expressing the statement in mathematical terms;
Cost = 0.12x + 1.5 where x represens minutes
if the cost of the call was 7.14 euro, total minutes = ?
7.14 = 0.12x + 1.5
7.14 - 1.5 = 0.12x
5.64 = 0.12x
x = 5.64 / 0.12 = 47
Total minutes = 47 Minutes
The graph of sin function is a curve as shown below:
Now, Sin 2Ф , where Ф =

or sin 2Ф = 2 ×
or sin 2Ф =
Ans, sin π/2 = sin 180/2 = sin 90 = 1
Thus, the curve has maximum at 90.
The correct answer between all the choices given is the third
choice or letter C.
Ok here are the steps and the answer
Step-by-step explanation:
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