i have 20 question multiple choice in precalculus

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**Question 1** (4 points)

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Get Started**Use the slope and y-intercept to graph the linear function.G(x) = 3x**

**Question 2** (4 points)

**Solve the inequality.x**

^{2}+ 6x â‰¤ 0

**Question 3** (4 points)

**Use the figure to solve the inequality.f(x) < 0**

**Question 4** (4 points)

**Use the slope and y-intercept to graph the linear function.p(x) = -x – 3**

**Question 5** (4 points)

**Determine, without graphing, whether the given quadratic function has a maximum value or a minimum value and then find that value.f(x) = x**

^{2}– 8

**Question 6** (4 points)

**Determine the slope and y-intercept of the function.p(x) = -x + 4**

**Question 7** (4 points)

**Use the slope and y-intercept to graph the linear function.F(x) = 6**

**Question 8** (4 points)

**Solve the inequality.x**

^{2}– 2x – 15 â‰¤ 0

**Question 9** (4 points)

**Solve the problem.The manufacturer of a CD player has found that the revenue R (in dollars) is**

when the unit price is p dollars. If the manufacturer sets the price p to maximize revenue, what is the maximum revenue to the nearest whole dollar?

when the unit price is p dollars. If the manufacturer sets the price p to maximize revenue, what is the maximum revenue to the nearest whole dollar?

**Question 10** (4 points)

**Solve the inequality.x**

^{2}+ 3x – 4 > 0

**Question 11** (4 points)

**Graph the function using its vertex, axis of symmetry, and intercepts.f(x) = -x**

^{2}+ 4x

**Question 12** (4 points)

**Solve the problem.The owner of a video store has determined that the cost C, in dollars, of operating the store is approximately given by where x is the number of videos rented daily. Find the lowest cost to the nearest dollar.**

**Question 13** (4 points)

**Determine, without graphing, whether the given quadratic function has a maximum value or a minimum value and then find that value.f(x) = -x**

^{2}– 2x + 1

**Question 14** (4 points)

**Determine the quadratic function whose graph is given.**

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**Question 15** (4 points)

**Determine the slope and y-intercept of the function.G(x) = -6x**