Use the given trigonometric function value of ? to find the requested trigonometric function value of the acute angle ?. Rationalize the denominators where necessary.cos ? =
Find sec ?.
A.
B.
C.
D.
Answer: C
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Solve the problem.A rocket takes off in a path described by the equation Find the distance traveled by the rocket for
to
(The length of arc s of a curve from
to
is
src="https://sciemce.com/media/4/ppg__text0425191437__f1q37g6.jpg" alt="" style="vertical-align: -23.0px;" /> A. 900 km B. 342 km C. 297 km D. 146 km
Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.(9x -
)(
-
)
A. 9x2 - 9x + 10
B. 9x2 + 10
C. 9x2 - 8x + 10
D. 9x2 - 9x -
+ 10
Solve the problem.The current I in an electrical conductor varies inversely as the resistance R of the conductor. The current is 2 amperes when the resistance is 355 ohms. What is the current when the resistance is 570 ohms?
A. 3.2 amp B. 0.8 amp C. 0.31 amp D. 1.2 amp
Evaluate the expression.(f ? g)(a) when f(x) = 5x + 12 and g(x) = 3x - 1.
A. 15a + 17 B. 15a + 35 C. 15a + 11 D. 15a + 7