SOLUTION: A jewelry sells a necklaces for the cost of chain plus the cost of beads. Chain costs $20 each and beads cost $7.50 each. To which function family does the equation that best descr

Algebra ->  Exponents-negative-and-fractional -> SOLUTION: A jewelry sells a necklaces for the cost of chain plus the cost of beads. Chain costs $20 each and beads cost $7.50 each. To which function family does the equation that best descr      Log On


   

Question 1033550: A jewelry sells a necklaces for the cost of chain plus the cost of beads. Chain costs $20 each and beads cost $7.50 each. To which function family does the equation that best describes the cost of a necklace with x beads belong?
Is it linear?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
A jewelry sells a necklaces for the cost of chain plus the cost of beads. Chain costs $20 each and beads cost $7.50 each. To which function family does the equation that best describes the cost of a necklace with x beads belong?
Is it linear?
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Yes
intercept = the cost of the chain = $20
slope = incremental cost of beads = $7.50
Cost = 20 + 7.5b where b is the # of beads
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Cheers,
Stan H.
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