Find the exact value of the expression. Do not use a calculator.1 + cot2 30° - sec2 45°
A. 1
B. 2
C. 3
D. 0
Answer: B
Mathematics
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Solve the equation symbolically.log4 x = -3
A. x = 
B. x = - 
C. x = - (3)4
D. x = -4?3
Mathematics
Solve.Carla takes a job with a starting salary of $42,000 for the first year with an annual increase of 6% beginning in the second year. What is Carla's salary, to the nearest dollar, in the sixth year?
A. $56,788 B. $58,307 C. $56,205 D. $54,783
Mathematics
Simplify the given expression.-5 ? (-3)3
A. -3,375 B. 135 C. -135 D. 3,375
Mathematics
Determine whether the sequence is arithmetic.2, 4, 6, 10, 12, ...
A. Arithmetic B. Not arithmetic
Mathematics