IB Math Applications Review Topics 1-4

How many goals have you scored this year?

• continuous

• discrete

How much does a whale weigh?

• continuous

• discrete

What is the value of f(0)?

• -2
• 2
• 4
• 0

What is a, the initial amount, for the function: f(x) = 300(1.16)^x?

• 300
• 1.16
• .16
• x

Which of the following functions shows an initial amount of $15 and an increase of 35% each year?

• y = 15(35)^x
• y = 15(1.35)^x
• y = 15(0.35)^x
• y = 35(1.15)^x

What is the slope of a line perpendicular to a line with slope ^-6/₅ ?

• ^-6/₅
• ^-5/6
• ⁵/₆
• ^-4/₃

Find the area of the sector, rounding your answer to 1d.p.

• 67.1cm²

• 67.0cm²

• 16.8cm²

• 134.0cm²

A discrete random variable X has the probability distributions shown in the table. Find the value of k.

• 1/3

• 7/12

• 1/12

• 1/4

 Find side AB?

• 20 m
• 5 m
• 11.54 m
• 8.66 m

What does point C on the box plot represent?

• First Quartile

• Median

• Third Quartile

• Mean