Use the fundamental identities to simplify the expression.sin2 x(cot2 x + 1)

A. tan2 x
B. -1
C. 1
D. cos2 x + 1


Answer: C

Mathematics

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Solve the problem.Convert 88°F to Celsius. Use the formula C = (F - 32). Round to the nearest tenth if necessary.

A. 190.4°C B. 126.4°C C. 31.1°C D. 16.9°C

Mathematics

Solve the problem.Consider a linear programming problem given in standard form where the final simplex tableau for maximizing 3x + 5y is shown below.If, in the above (primal) problem, the resource given in the first constraint (and associated with the slack variable u) were increased by 7 units, determine the new values of x and y and the new maximum for the objective function.

What will be an ideal response?

Mathematics

Give the ordered pairs for the points labeled on the graph.

A. G(5, -6); H(5, -7) B. G(5, -6); H(-7, 5) C. G(-6, 26); H(5, -7) D. G(5, 5); H(-6, 5)

Mathematics

Use the horizontal-line test to determine whether the function is one to one.

A. Yes B. No

Mathematics