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3 cards from this section. Quick, good the night before a test.
Write the equation for a plant that grows 4 cm per day, starting from 6 cm tall.
Think about the starting height and the rate of growth.
If a gym charges $40 per month plus $0.10 for every hour of class, express this as a function.
Identify the fixed cost and variable cost.
What is the equation of a linear function representing a mobile plan charging $10 plus $0.05 per text?
Look for the fixed fee and the cost associated with the variable.
A plant grows according to the equation H(x) = 2x + 1. What does the 1 represent?
Focus on the intercept of the graph.
If a freight service has a base charge of $80 plus $3 per mile, write the function and find the cost for 50 miles.
Identify the base charge and consider how the cost varies with distance.
A bookstore sells books for $15 each and has a special membership fee of $20. How would you express the total cost for x books?
Think about the total cost combining fixed and variable expenses.
4 more questions in this section. Enroll free to practise them all.
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