Find the exact value of the expression. Do not use a calculator.1 + cot2 30° - sec2 45°

A. 2
B. 1
C. 3
D. 0


Answer: A

Mathematics

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Solve the problem.John presently earns $96 a week doing yard chores after school. After 3 months, his pay will increase by . How much will he then earn per week?

A. $153.60 B. $75.00 C. $128.00 D. $112.00

Mathematics

Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = 

A.

B.

C.

D.

Mathematics

Establish the identity.sin = -cos ?

What will be an ideal response?

Mathematics

The doubling time of a certain bacteria culture is 12 hr. What is the growth rate? Round to the nearest tenth of a percent.

What will be an ideal response?

Mathematics