Use Fundamental Identities and/or the Complementary Angle Theorem to find the exact value of the expression. Do not use a calculator.sin2 70° + cos2 70°
A. -1
B. 1
C. 0
D. 2
Answer: B
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Write an equation for a function that has a graph with the given characteristics.The shape of y = ?x? is reflected across the y-axis. This graph is then vertically stretched by a factor of 3.1. Finally, the graph is shifted 2 units downward.
A. f(x) = 3.1?-x? - 2 B. f(x) = -3.1?x? - 2 C. f(x) = 2?-x? - 3.1 D. f(x) = 3.1?-x? + 2
Use a calculator to convert from polar to rectangular coordinates. Round to the nearest hundredth, if necessary.(-3.7, 44°)
A. (2.66, 2.57) B. (-2.57, -2.66) C. (-2.66, -2.57) D. (-0.72, -0.69)
Find the derivative of the function.y = ln (x - 6)
A.
B.
C. -
D.
Find the value(s) of x for which f (x) = g (x). f(x) = x2 + x - 13 g(x) = -5x + 3
A. x= -8, 2
B. x= 8, -2
C. x= -13, 1,
D. x= -13, -14,
E. x= 12,