Typing Speed The function W(t)=-3.75t^2+30t+40 describes a typist’s speed (in words per minute) over a time interval [0, 5].
1 answer:
Answer:
a) 66.25
b) 100
c) 83.75
Step-by-step explanation:
We are given
a)
b) Maximum value can be found by taking derivative of W(t) with respect to t.
So, t = 4 is absolute maximum.
Thus, maximum value of W(t) is occured at t = 4.
c) Average value can be found as follows,
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Step-by-step explanation:
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2.8
Step-by-step explanation:
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