For the functions f and g, find the requested value.Evaluate (g ? f)(-2).y = f(x)y = g(x)
?
A. 1
B. 2
C. -2
D. -0.5
Answer: A
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Write down the meaning of the given equation.y = sec-1 x
A. y is the angle whose secant is x. B. y is the angle whose cosine is x. C. x is the angle whose secant is y. D. x is the angle whose cosine is y.
Translate the phrase to an algebraic expression.ten times the quantity x minus y
A. 10 + (x - y) B. 10x - y C. 10(x - y) D. 10 - (x - y)
Suppose that y is inversely proportional to x. Use the given information to find the constant of proportionality k. Then use y = 
to find y for the given value of x.y = 2.5 when x = 5;
Find y given x = 16.
A. k = 5; y = 
B. k = 0.5; y = 8
C. k = 12.5; y = 
D. k = 2.5; y = 
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.ln 
A. 6 ln y + 6
B. 
ln 
+ 
C. 
ln y + 
D. 