Use mathematical symbols to translate the phrase. Use x to represent the unknown number. If there are two unknown numbers, use x and y to represent the numbers.Twice some number
A. 2 - x
B. 
C. 2x
D. 2 + x
Answer: C
Mathematics
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Multiply using the special product rules for binomials.(3x + 4)(3x - 4)
A. 9x2 - 24x - 16 B. 9x2 + 24x - 16 C. 9x2 - 16 D. x2 - 16
Mathematics
Calculate the derivative of the function. Then find the value of the derivative as specified.
? =1 if r = 
A. 
= 
; 
? =1
= 
B. 
= - 
; 
? =1
= - 
C. 
= - 
; 
? =1
= - 
D. 
= 
; 
? =1
= 
Mathematics
Calculate using the rules for order of operations.30 - 3 + 
÷ 5 + (-1)3Round to two decimal places, if necessary.
A. 29.50 B. 9.25 C. 6.40 D. 28.00
Mathematics
List the intercepts of the graph. 
A. 
, (2, 0), 
B. 
, (0, 2), 
C. 
, (2, 0), 
D. 
, (0, 2), 
Mathematics