Solve the equation for the indicated variable.d = rt, for r
A. r = d - t
B. r = 
C. r = 
D. r = dt
Answer: B
Mathematics
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Find the equation of the hyperbola satisfying the given conditions.Vertices at (-4, 0) and (4, 0); focus at (4
, 0)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
If the plot of an equation shows that y increases 3 units as x decreases 2 units, what is the slope of the line?
a. -2 b. 2/3 c. 3/2 d. -2/3 e. -3/2
Mathematics
Answer the question about the given function.Given the function f(x) = 
, if x = 1, what is f(x)? What point is on the graph of f?
A. 6; (1, 6) B. - 8; (- 8, 1) C. 6; (6, 1) D. - 8; (1, - 8)
Mathematics
Solve.Suppose that y varies directly as the cube of x. If x is tripled, what is the effect on y?
A. It's multiplied by 3. B. It's multiplied by 9. C. It's multiplied by 27. D. It's cubed.
Mathematics