Which equation does not represent y as a function of x?
a. x = -6y + 5
b. x = - 1
c. y = 7x + 9
d. 
e. 
b. x = - 1
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An algebraic expression is given. Use the expression to answer the following questions. a) How many terms are there in the algebraic expression? b) What is the numerical coefficient of the first term? c) What is the constant term? d) Does the algebraic expression contain like terms? If so, what are the like terms?19x
A. a) 1 b) 1 c) none d) no B. a) 2 b) 19 c) none d) no C. a) 1 b) 19 c) 19x d) no D. a) 1 b) 19 c) none d) no
Express the value of the inverse hyperbolic function in terms of natural logarithms.sech-1 
A. ln 
B. ln 
C. Undefined
D. ln 
Use the graph of a known basic function and vertical shifting to sketch the function.h(x) = |x| + 3
A. 
B. 
C. 
D. 
Write the sum without sigma notation and evaluate it.
A. 2 cos ? + 2 cos 
+ 2 cos 
+ 2 cos 
= 3 + 
B. 2 cos ? + 2 cos 
+ 2 cos 
+ 2 cos 
= -2 + 
+ 
C. 2 cos ? + 2 cos 
+ 2 cos 
+ 2 cos 
= -1 + 
D. 2 cos ? + 2 cos 
= -2 + 