Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.2logbm - logbn
A. logb(m2 - n)
B. logb
C. logbm2 ÷ logbn
D. logb(
)
Answer: B
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Solve the problem using the quadratic formula.For a car traveling at x mph, stopping distance is estimated by the formula 
Find a (maximum) safe speed for a stopping distance of 670 ft. Round your answer to the nearest mph.
A. 75 mph B. 72 mph C. 63 mph D. 67 mph
Solve the problem.Scranton University has an annual budget of $
million and Melmac University has an annual budget of $1
million. Which university has the higher annual budget?
A. Melmac University with $
million is higher.
B. Scranton University with $1
million is higher.
C. Melmac University with $1
million is higher.
D. Scranton University with $
million is higher.
Complete the table.InputOutput11 ÷ 4 - 0.25 = 22 ÷ 4 - 0.25 = 33 ÷ 4 - 0.25 = 44 ÷ 4 - 0.25 =
A.
| Input | Output |
| 1 | 1 ÷ 4 - 0.25 = 0 |
| 2 | 2 ÷ 4 - 0.25 = 0.25 |
| 3 | 3 ÷ 4 - 0.25 = 0.5 |
| 4 | 4 ÷ 4 - 0.25 = 0.75 |
B.
| Input | Output |
| 1 | 1 ÷ 4 - 0.25 = 0 |
| 2 | 2 ÷ 4 - 0.25 = 0.5 |
| 3 | 3 ÷ 4 - 0.25 = 1 |
| 4 | 4 ÷ 4 - 0.25 = 1.5 |
C.
| Input | Output |
| 1 | 1 ÷ 4 - 0.25 = 4.75 |
| 2 | 2 ÷ 4 - 0.25 = 5.75 |
| 3 | 3 ÷ 4 - 0.25 = 6.75 |
| 4 | 4 ÷ 4 - 0.25 = 7.75 |
D.
| Input | Output |
| 1 | 1 ÷ 4 - 0.25 = 3.75 |
| 2 | 2 ÷ 4 - 0.25 = 7.75 |
| 3 | 3 ÷ 4 - 0.25 = 11.75 |
| 4 | 4 ÷ 4 - 0.25 = 15.75 |
Find the vertex.f(x) = 4x2 - 16x + 19
A. (3, 2) B. (2, 3) C. (-3, -2) D. (-2, -3)