A train traveled the first 200 miles of its trip at a speed of 50 mph and the next 130 miles at a speed of 65 mph. What was the
1 answer:
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Answer:
Step-by-step explanation:
If we call "x" the number of call minutes used with this plan, the piecewise function used to describe it must represent;
a) a constant value of 29 for any x value smaller than or equal to 250
b) a line with positive slope of 0.35 for the region with x larger than 250. The mathematical representation of such increasing straight line, should be given by a line of slope m = 0.35, and containing the point (250, 29) which is the starting point for this right hand side portion of the domain:
So the function should look like:
or as shown above, in a more simplified form:
Answer:
h(1)=-13
Step-by-step explanation:
We are given that
We have to find the recursive formula of h(n).
Substitute n=1
n=2
n=3
:
:
:
Therefore, the recursive formula is given by
h(1)=-13