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Question: Make the given changes in the indicated examples of this section and then solve the resulting problems.
In Example, change the coefficient of x on the left from 3 to 5 and then find the solution graphically.
Example: Solving quadratic equation graphically
Solve the equation 3x = x(2 - x) + 3 graphically. First, collect all terms on the left of the equal sign. This gives x2 + x - 3 = 0. We then let y = x2 + x - 3 and graph this function. The minimum point is (-1/2, 13/4) and the -intercept is (0,-3) Using the calculator, these points help us choose the window settings shown for
the graph of the function in Fig. Now, using the zero feature twice, we find the roots to be approximately
x = -2.3028 and x = 1.3028
Probability of creating a mini license plate with an R. A mini license plate for a toy car must consist of a letter followed by two numbers. Each letter must be an R, U or N. Each number must be a 2 or 6
explain a rational exponent? how are rational exponents related to radicals? give an example of how an expression with
The equation sin x + cos x=0 has at least one root in the interval
25-ft ladder stands vertically against a wall. The lower end is pulled a distance of 7 feet away from the wall. How far down does the top of the ladder move if it is now 14ft away from the building.
Statistics: Populations, Samples, Parameters and Assessing the Mean. The average time before hittin a jackpot at the local casino was estimated by using the average time that it took the first 100 players. Based on this information identify.
S List and count the number of possible combinations of objects from three sets, e.g., how many different outfits can one make from a set of three shirts, a set of two skirts, and a set of two hats?
a carpenter has several boards of equal length. he cuts 35 of each board.after cutting the boards the carpenter notices
find the point of intersection of each pair of lines
Find, with proof, a formula for Tn of the form Tn = An + Bn, where (An) and (Bn) are well-known sequences
answer or make comments on your classmates answers. that was good or any variation does not count...give an
A contractor digs a hole for the basement of a house that is 40 feet long and 10 1/2 feet deep. What is the width of the hole if 6,510 cubic feet are removed?
a market survey suggests that, on average, one additional unit will remain vacant for each $1 increasein rent. What rent should the manager choose to maximize revenue?
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