Graph the polar equation.r = 1 + sin ?

A.

B.

C.

D.


Answer: C

Mathematics

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Solve the equation.f + 11 = -27

A. 16 B. -38 C. 38 D. -16

Mathematics

Determine the inequality which matches the calculator graph. Do not use your calculator. Instead, use your knowledge of the concepts involved in graphing inequalities.

A. y ? 2x - 3 B. y ? -2x - 3 C. y ? 2x - 3 D. y ? -2x - 3

Mathematics

Given cos? = 0.7801. Use a calculator to find ? to the nearest tenth.

a. ? = 38° b. ? = 38.7° c. ? = 51.3° d. ? = 0.7° e. ? = 0.9°

Mathematics

Determine whether the matrix is in row-echelon form. If it is, then determine also whether it is in reduced row-echelon form.

A. Yes; yes B. Yes; no C. No

Mathematics