PLZ HELPA candle burns down at the rate of 0.5 inches per hour. The original height of the candle was 9 inches.Part A: Write a list of 6 ordered pairs to show the height of the candle in inches (y) as a function of time in hours (x) from the first hour after it started burning. For example, the point (0, 9) would represent a height of 9 inches after 0 hours. Explain how you obtained the ordered pairs. (5 points)Part B: Is this relation a function? Justify your answer using the list of ordered pairs you created in Part A. (2 points)Part C: If the rate at which the candle burned was 0.45 inches per hour instead of 0.5 inches per hour, would the relation be a function? Explain your answer using input and output values. (3 points)

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general 11 months ago 5315

Yani buys a certain brand of cereal that costs $10 per box. Yani changes to a super-saving brand of the same size. The equation shows the price, y, as a function of the number of boxes, x, for the new brand.y = 7xPart A: How many more dollars is the price of a box of Yani's original brand of cereal than the price of a box of the super-saving cereal? Show your work.Part B: How much money does Yani save each month with the change in cereal brand if he buys 5 cereal boxes each month? Show your work.

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general 11 months ago 6993

Choose the best definition for the following term: exponent (1 point) The number listed first when combining a variable and a numberThe number or value being raised to a powerA letter that holds the place of some unknown value in mathematicsShorthand that tells how many times the base is used as a factor, or how many times the base is multiplied by itself3. (01.02)Simplify the following expression:2x − 2y + 5z − 2x − y + 3z (1 point) x − 3y + 8z2x − 2y + 8z3y + 8z−3y + 8z4. (01.02)Evaluate the following expression using the values given:Find 3x − y − 3z if x = −2, y = 1, and z = −2. (1 point) −13−1113

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general 11 months ago 1136