Day 5 CAASPP Spiral Review

A car rental company charges a flat fee of $25 plus 0.50 per mile driven. What is the equation for the total cost, C, after driving m miles?

• C = 25 + 0.50m

• C = 0.50 + 25m

• C = 25m + 0.50

• C = 25m + 0.50m

Which of the following sums is irrational?

• √16 + √25

• √3 + 5

• 4 + 9

• 2 + 8

• x = 2, 4

• x = 1, 8

• x = 3, 5

• x = 0, 6

Which function represents exponential decay?

Which equation represents an investment of $1000 that earns interest compounded annually at a rate r for 5 years, with a final amount of $1500?

• 1500 = 1000(1 + 5r)

• 1500 = 1000 + 5r

Which function has a maximum value?

Solve for x: 3x - 7 > 5

• x > 2

• x > 4

• x > 3

• x > 5

A substance has a half-life of 2 hours. If the initial mass is 200g, how much remains after 6 hours?

• 50g

• 25g

• 12.5g

• 100g

Given the formula F = ma, where m is mass in kilograms (kg) and a is acceleration in meters per second squared(m/s²), what is the correct unit for force, F?

• kg·m/s²

• kg/s²

• kg·m²

• m/s²