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Divide 120 by 4 and your answer will be: Rya can drive 30 miles on 1 gallons of gas.
Answer:
The comparision of an unknown physical quantity with a known standard quantity is measurement
A + 12.5 = 20
- 12.5 -12.5
———————
A = 7.5
The answer is 7.5
The choices are supposed to be
f(x) = sin x + 3
f(x) = cos x + 3
f(x) = 3 sin x
f(x) = 3 cos x
The amplitude is the value of the numerical coefficient of sin or cos. The only possible answers are
f(x) = 3 sin x
f(x) = 3 cos x
Next, the function must pass through the point (0,3)
3 sin 0 = 0 and
3 cos = 3
Therefore, the answer is
f(x) = 3 cos x<span />
