Translate the phrase to an algebraic expression. Use x to represent "a number."The product of 3 and a number
A. 3 ? x or 3x
B. 3 ÷ x or 
C. 3 + x
D. -3 ? x or -3x
Answer: A
Mathematics
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Graph the function.y = 
- 4
A. 
B. 
C. 
D. 
Mathematics
Determine the indicated arc or angle.Find 
.
A. 240° B. 180° C. 150° D. Not enough information.
Mathematics
Simplify.(4b3 - 5b - 2) + (4b4 - 8b3 + b2 - 4b)
A. 4b4 - 4b3 + b2 - 9b - 2 B. 4b4 - 4b3 + b2 + 9b - 2 C. 4b4 - 12b3 + b2 + 9b - 2 D. 4b4 + 4b3 + b2 - 9b - 2
Mathematics
The function f is one-to-one. State the domain and the range of f and f-1. Write the domain and range in set-builder notation.f(x) = 
A. f(x): D = 
, R = 
;
f-1(x): D is all real numbers, R = 
B. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
C. f(x): D = 
, R is all real numbers;
f-1(x): D is all real numbers, R = 
D. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
Mathematics