Math 4 Final

Find the function's x- and y-intercepts.

• x-int (0,-3) and (0,1)

  y-int (-4,0)

• x-int (-3,0) and (1,0)

  y-int (0,-4)

• x-int (-4, 1)

  y-int (-4, ∞)

• x-int (-3,0) and (1,0)

  y-int (0,-3)

Find the function's maximum and minimum points

• no maximum

  minimum (-4,-1)

• no minimum

  maximum (-3, 1)

• no maximum

  minimum (-1,-4)

• maximum (-3,1)

  minimum (0,-3)

Identify the intervals where the function is positive and where it is negative.

• positive (-1, ∞) and negative (-∞, -1)

• positive nowhere and negative (-1, -4)

• positive (-∞,-3) and (1,∞) and negative (-3,1)

• positive (-∞,∞) and negative (-4,∞)

Solve for a and b in the special right triangle.

• a = 5, b = 5
• a = 10, b = 10√2
• a = 10√2, b = 10√2
• a = 5√2, b = 5√2

Solve for x and y in the special right triangle.

• y = 4, x = 4√3
• y = 4√2, x = 4√2
• y = 4 x = 12
• y = 8/√3, x = 16/√3

Find Cos(A) as a decimal rounded the the nearest ten-thousandth.

• .4706
• 1.875
• .8824
• .5333

Find Sin(X) as a decimal rounded the the nearest ten-thousandth.

• .3846
• .9231
• 1.0833
• .4167

Find the trig value rounded to the nearest ten-thousandth.
Tan(42°)

• .9004
• .8123
• 88.6361
• 42

Find the value of each angle to the nearest tenth of a degree.
Cos(B) = .5736

• 1.0
• 55.0
• 32.8
• 47.2

log₄(3x-1)=log₄(2x+3)

• 4

• 3

• 1

• 8