Please help ASAP, i hav my exam in 2 hours from now
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Originally Posted by creatively12
Please help ASAP, i hav my exam in 2 hours from now a is the amplitude and c is the median value - both are easily obtained from the graph. The period is also easily obtained and you should know that period = 2pi/b (therefore solve for b).
Substitute the values of a, b and c to get the rule for y. Then solve y = 0 for the smallest positive value of x.
All of this stuff should be known well in advance of 2 hours before an exam.
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