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anonymous
 one year ago
What is the domain of the function: {(1, 2); (2, 4); (3, 6); (4, 8)}?
A.
{6, 8}
B.
{2, 4, 6, 8}
C.
{1, 2, 3, 4, 6, 8}
D.
{1, 2, 3, 4}
What is the range of the function: {(2, 1); (4, 2); (6, 3); (8, 4)}?
A.
{2, 4, 6, 8}
B.
{1, 2, 3, 4}
C.
{1, 2, 3, 4, 6, 8}
D.
{6, 8}
Suppose p varies directly with d, and p = 7 when d = 3. What is the value of d when p = 28?
A.4/3
B.140/3
C.
16
D.
12
anonymous
 one year ago
What is the domain of the function: {(1, 2); (2, 4); (3, 6); (4, 8)}? A. {6, 8} B. {2, 4, 6, 8} C. {1, 2, 3, 4, 6, 8} D. {1, 2, 3, 4} What is the range of the function: {(2, 1); (4, 2); (6, 3); (8, 4)}? A. {2, 4, 6, 8} B. {1, 2, 3, 4} C. {1, 2, 3, 4, 6, 8} D. {6, 8} Suppose p varies directly with d, and p = 7 when d = 3. What is the value of d when p = 28? A.4/3 B.140/3 C. 16 D. 12

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DanJS
 one year ago
Best ResponseYou've already chosen the best response.0Domain  List all the inputs y=f(x) where x is the input Range  List all the resulting outputs, y=f(x) , y is the output in the set of points (x,y)

DanJS
 one year ago
Best ResponseYou've already chosen the best response.0If p varies directly with d, then it is directly proportional , you can say... p = some constant x d p = k*d use given p and d, solve for the constant k value to get your expression

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ok i'll try that out

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0where are you getting the k from?

DanJS
 one year ago
Best ResponseYou've already chosen the best response.0it is a proportion constant, varies directly in general is y=k*x, linear
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