Final Exam - Algebra

What type of relationship does this graph have?

• Positive 
• Negative
• No Relationship
• Constant

Make a prediction for a resting heart rate after 6 hours of exercise a week.

• 6
• 50
• 55
• 59

What type of relationship does this graph show?

• Positive
• Negative
• No Relationship
• Constant 

Which piecewise function corresponds to this graph? (Take your time)

• f(x) = { x  if x < 4;   -x+1  if x ≥ 4
• f(x) = { x  if x ≤ 4;  -x+1  if x > 4
• f(x) = { -x+1  if x < 4;  x  if x ≥ 4
• f(x) = { -x+1  if x ≤ 4;  x if x > 4

Describe the transformation that is applied to the parent function. 
f(x) = IxI -5

• Shifts left 5
• Shifts right 5
• Shifts up 5
• Shifts down 5

What is the parent function for absolute values?

• y = x
• y = |x|
• y = x²
• y = 2^x

Solve the inequality.
x + 5 ≤ 13

• x ≥ 8
• x ≥ 18
• x ≤ 8 
• x ≤ 18 

• h > 10
• h > -10
• h < 10
• h < -10

• r > 16
• r > 24
• r < 16
• r < 24

• v > -12
• v > 12
• v < 12
• v < -12