Only B is equivalent to 64
26 ≠ 64
24 x 4 is 64 = 64
23 x 42 is 966≠ 64
43≠64
hope this helps
The answer is 0.5 metres.
4/2 = 1/2
1/2 100cm is 50cm
50cm = 0.5 metres.
Answer:
B)
and C) 
Step-by-step explanation:
Once a linear function has a constant rate of change, you just have to find the linear functions. Also, the other ones are quadratic functions, and their graph are parabolas, which don't have a constant rate of change.
Considering 
has a constant positive rate of slope 2.

has a constant negative rate of slope -7

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Answer:
D
Step-by-step explanation:
(f+g)(x) basically means to "ADD" f(x) and g(x).
We have

and

Now we simply add these two, adding like terms as shown below (and simplify):

Correct answer is D