Problem 2 Functions as Tables The function h(a) represents the average height of boys that are a years old. 1. Use the table to evaluate the function at each value. Explain what each Boy's Age Average Height in Inches means in terms of the problem. 6 months 26 a. h(7) 12 months 30 18 months 34 2 years 36 b. h(1.5) 3 years 39 4 years 42 c. h(11) 5 years 6 years 44 47 7 years 8 years 49 51 d. h(12.5) 9 years 53 2. Calculate the value of a that makes each equation true. 10 years 55 Explain what each means in terms of the problem. 11 years 57 12 years 59 a. h(a) = 61 b. h(a) = 36 13 years 61 c. h(a) = 53 d. h(a) = 45
Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.
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