55. Find the range of y = 2x + 1.

Question

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