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Truck

Postby nycmath » Sat Oct 03, 2026 9:10 pm

Precalculus
Michael Sullivan
Edition 10
Chapter 3, Section 3.1

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Re: Truck

Postby nycmath » Sat Oct 03, 2026 9:10 pm

Precalculus
Michael Sullivan
Edition 10
Chapter 3, Section 3.1

See attachment.
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20261003_205528.jpg
20261003_205528.jpg (1.48 MiB) Viewed 11 times

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Re: Truck

Postby Guest » Sun Oct 04, 2026 4:14 pm

(a) [tex]C(x) = 0.07x + 29, x ≥ 0[/tex]
(b) [tex]C(110) = 0.07(110) + 29 = \$36.70; C(230) = 0.07(230) + 29 = \$45.10[/tex]
The slope [tex]0.07[/tex] is the cost per mile and the intercept 29 is the fixed daily charge.
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