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15. If c0:01:50

15. If c is a constant in the equation 10x^2+c=-5x, and the equation has no real solutions,

8. For all0:01:28

8. For all positive values of y, the expression 3/(y+c) is equivalent to 15/(y+30).

5. A school0:02:02

5. A school classroom with a total of 4,200 floor tiles is divided into a 30 square-foot lab area

2. In a0:01:59

2. In a shipment of 45,000,000 shirts, 4,950,000 are white. What percentage of the shirts are white

22. y=5kx^2+2x+3 The0:02:14

22. y=5kx^2+2x+3 The system of equations above has exactly one solution. If k is a constant,

20. Function g0:03:35

20. Function g reaches its maximum value when x=a. If g(x)=-6x^2-30x-24, what is the value of a?

19. The longest0:02:53

19. The longest side of right triangle ABC is opposite angle B. If sin⁡(A)=9/41, what is the value

13. The table0:02:45

13. The table above shows the exponential growth of a type of yeast over time s, in seconds.

12. A triangle0:04:11

12. A triangle with an area of 18 square units has a base of (m+5) units and a height of m units.

11. In parallelogram0:03:01

11. In parallelogram ABCD shown above, the length of (AB) is one-third the length of (AD) The

8. What is0:04:01

8. What is the negative solution to the equation 32/a=a-4?

5. The total0:02:22

5. The total amount of plastic remaining to be recycled in a facility over x shifts is represented

50. Let P(t)0:06:23

50. Let P(t) be the percentage of Americans under the age of 18 at time t. The table gives values of

49. Sketch the0:02:01

49. Sketch the graph of a function f that satisfies all of the following conditions: The domain of f

45. (a) If0:06:30

45. (a) If f(x)=√(3-5x), use the definition of a derivative to find f'(x). (b) Find the domains of

44. Trace or0:02:46

44. Trace or copy the graph of the function. Then sketch a graph of its derivative directly beneath.

43. Trace or0:02:43

43. Trace or copy the graph of the function. Then sketch a graph of its derivative directly beneath.

42. Trace or0:01:37

42. Trace or copy the graph of the function. Then sketch a graph of its derivative directly beneath.

37. The displacement0:05:22

37. The displacement (in meters) of an object moving in a straight line is given by s=1+2t+1/4 t^2,

34. Use the0:02:37

34. Use the Intermediate Value Theorem to show that there is a root of the equation in the given

31. Show that0:01:47

31. Show that the function is continuous on its domain. State the domain. h(x)=xe^sin⁡x

30. Let g(x)={2x-x^20:05:32

30. Let g(x)={2x-x^2 if 0≤x≤2, 2-x if 2⋖x≤3, x-4 if 3⋖x⋖4, π if x≥4. (a) For each of the numbers 2,,

29. Let f(x)={(√(-x)0:04:30

29. Let f(x)={(√(-x) if x⋖0, 3-x if 0≤x⋖3, (x-3)^2 if x⋗3 (a) Evaluate each limit, if it exists.

22. Use graphs0:04:34

22. Use graphs to discover the asymptotes of the curve. Then prove what you have discovered.

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