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Scorpion4ik [409]
3 years ago
13

Curtis decided to go on a road trip to Canada. on the first day of his trip he drove for 15 hours and traveled 960 miles. at wha

t rate did he travel on the first day in miles per hour
Mathematics
2 answers:
Ede4ka [16]3 years ago
7 0
Divide 960 by 15

960/15 equals 64

so it's 64 miles per hour
frosja888 [35]3 years ago
4 0
15hours/960miles equals 64m/h
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Step 1: evaluate f(x+h) and f(x)

We have

f(x+h) = -(x+h)^2+6(x+h)-5 = -(x^2+2xh+h^2)+6x+6h-5

= -x^2-2xh-h^2+6x+6h-5

And, of course,

f(x)=-x^2+6x-5

Step 2: evaluate f(x+h)-f(x)

f(x+h)-f(x)=-x^2-2xh-h^2+6x+6h-5-(-x^2+6x-5)=-2xh-h^2+6h

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So, we have

f'(1) = -2\cdot 1+6 = 4,\quad f'(2) = -2\cdot 2+6 = 2,\quad f'(3) = -2\cdot 3+6 = 0

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Answer:

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