Math

19. 2x²-3x-5=0

E. 5/2, -1

20. log_2(3x+1)=3

B. 7/3

21. e^x²-4=1

A. ±2

22. f(x)=x²+8x+7

E. f(x)=(x+4)²-9

23. 2/3-i

A. 3+i/5

24. f(x)=-3(x-2)²+3

C. 2 Real Zeros

25. Write the quadratic equation in standard form that has zeros at -4 and 5 and goes through the point (4,16)

D. -2x²+2x+40

26. Write the equation of the exponential function given in the table

B. -3(2)^x

27. Determine the range of -2(1/2)^x-3+2

D. (-infinity, 2)

28. f(x)=5(4)^x+2, what is the limit of f(x)

B. 2

29. 2e²^x-3e^x = 2

A. ln 2

30. y=2x²+4x-6

C. (-1, -8)

31. Walter purchased a stock for $16

A. $12

32. x=log1/100=ln e^-x+13

A. 15

33. y=a(x-3)(x+7), goes through the point (-1, 6)

A. -1/4

34. Find the product of the mean and range (4,2,5,1,3)

C. 12

35. What is the probability that Mr. Hirschauer rolls a prime number on a 20 sided die

B. 2/5

36. -32=x²+12x

D. (-6, -4)

37. Which of the following expressions is undefined

D. I & ll only

38. y=-2(x-3)²+0

E. (0, -18)

39. What is the probability of rolling a multiple of 2 on a 6 sided die

C. 1/2

40. Super long question

A. xz/2y