Algebra
posted by mysterychicken
55. Find the range of y = 2x + 1.
a. all real numbers
b. all positive numbers
Not sure..
67. Name the Property: 2 + (10+1) = (2 + 10) + 1
a. Commutative Property of Multiplication
b. Inverse property of addition
c. Commutative Property of Addition
d. Associative Property of Addition
I think it might be C or D
73. Which of the following are in function notation?
a. y = mx + b
b. f(x) = 3x  1
c. x = 2x + 1
d. (4,5)
B?
75. Name the property: 7 + (4 + 4) = (7 + 4) + 4
a. Inverse Property of Addition
b. Associative Property of Addition
c. Commutative Property of Multiplication
d. Commutative Property of Addition
I'm stuck between B and D...
99. Which property describes (ab)3 = a(b3)?
a. Inverse Property of Multiplication
b. Associative Property of Addition
c. Associative Property of Multiplication
d. Commutative Property of Multiplication
C or D...
Thanks
MC

Reiny
55. The range of a function is the set of all possible y values. Here anything goes, so a)
67 & 75 same kind of question > assoc. prop addition
99. c 
mysterychicken
Thanks!!
MC
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