Solve the problem.A brick staircase has a total of 17 steps The first step requires 117 bricks. Each successive step requires 5 fewer bricks than the prior one. How many bricks are required to build the staircase?
A. 2618 bricks
B. 1266.5 bricks
C. 2669 bricks
D. 1309 bricks
Answer: D
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Determine from the graph whether the function has any absolute extreme values on the interval [a, b].
A. No absolute extrema.
B.
| Absolute minimum only. |
C. Absolute minimum and absolute maximum.
D. Absolute maximum only.
Solve the problem.Suppose that the total annual consumption of salmon in a certain country is given by 
and that the total annual consumption of tuna in this country is given by 
, where consumption is measured in millions of pounds and x is the number of years since 2010. Find the year in which consumption of salmon reaches consumption of tuna.
A. 2028 B. 2023 C. 2025 D. 2027
Solve and graph. Write the solution in interval notation.| x | ? 8
A. (-?, -8]
B. (-?, 8]
C. [-8, 8]
D. (-?, -8] ? [8, ?)
Translate the sentence into an equation. Use x to represent the unknown number. Do not solve.The sum of twice a number and 7 is 23.
A. x + 14 = 23 B. 2x + 7 = 23 C. 14x = 23 D. 2(x + 7) = 23