The balance B, in dollars, of your checking account is a function of t, the number of months since the account was opened. The balance is given by the following formula. B = 1150 + 100t - 92 (a) Use your calculator to make a graph of B versus t covering the first 15 months. 1600 1600 1400 1400 1200 1200 1000 1000 B B00 B B00 600 600 400 400 200 200 10 12 14 10 12 14 1600 1600 1400 1400 1200 1200 1000 1000 B B00 B 800 600 600 400 400 200 200 6 10 14 10 12 14 dB (b) Calculate at t = 2. dt 64 dollars per month (c) Explain what the number you calculated in part (b) means in practical terms. The balance increases by $ 17 from month 2 to month 3.
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.
(c) Explain what the number you calculated in part (b) means in practical terms.
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