Solve the equation.6 = b - 8
A. 2
B. 14
C. -2
D. -14
Answer: B
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Rewrite the equation in function notation.9x + y = 5
A. f(x) = -9x + 5 B. y = -9f(x) + 5 C. y = 9f(x) + 5 D. f(x) = 9x + 5
Use transformations to explain how the graph of the given function can be obtained from the graph of the appropriate root function (y = 
or y =
).f(x) = 
+ 2
A. Rewrite as 4
+ 2. Shift the graph of y = 
to the right 3 units, stretch vertically by a factor of 4, and shift downward 2 units.
B. Rewrite as 4
+ 2. Shift the graph of y = 
upward 3 units, stretch vertically by a factor of 4, and shift to the left 2 units.
C. Rewrite as 4
+ 2. Shift the graph of y = 
to the left 3 units and stretch vertically by a factor of 4.
D. Rewrite as 4
+ 2. Shift the graph of y = 
to the left 3 units, stretch vertically by a factor of 4, and shift upward 2 units.
Provide an appropriate response.Consider the following: 
+ 3 = 5 
= 2 (
)2 = 22 x = 4What would have happened if the radical had not been isolated before the principle of squaring was used? Could the equation still have been solved? Why or why not?
What will be an ideal response?
Solve the problem.Gary can hike on level ground 3 miles an hour faster than he can on uphill terrain. Yesterday, he hiked 38 miles, spending 2 hours on level ground and 5 hours on uphill terrain. Find his average speed on level ground.
A. 8 mph
B. 5
mph
C. 7
mph
D. 4
mph