After charging for 1/3 of an hour, a phone is at 2/5 of its full power.
2 answers:
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Answer:
The third one I have a formula sheet
Step-by-step explanation:
The general equation of the sine function y=f(x) is defined as
where A is the Amplitude
B represents the frequency of the function with period equals
C represents the Horizontal shift, For Phase shift= -C/B
D represents the Vertical shift.
The data given that the amplitude of the function A=6
Vertical shift
Horizontal Shift
Now plug in in the general equation of sine function, we get