Determine whether the following rule defines y as a function of x.y2 = 6x
A. Function
B. Not a function
Answer: B
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One of sin x, cos x, and tan x is given. Find the other two if x lies in the specified interval.cos x = 
,
x in 
A. sin x = 
, tan x = 
B. sin x = - 
, tan x = - 
C. sin x = - 
, tan x = - 
D. sin x = 
, tan x = - 
Solve the problem.Find an equation for the level surface of the function f(x, y, z) = ln
that passes through the point 
.
A. ln 
= 9
B. ln 
= 
C. 
= e11
D. 
= e9
Provide an appropriate response.Simplify this exponential expression: 45
A. 625 B. 4,096 C. 1,024 D. 20
Solve the problem.A sample of 750 grams of radioactive substance decays according to the function 
where t is the time in years. How much of the substance will be left in the sample after 30 years? Round to the nearest whole gram.
A. 305 g B. 952 g C. 0 g D. 1 g