douglas12
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Questions Answered

douglas12:
Group Title
y varies directly as to x. when
x = 1.5 y = 9. Find y when x = 6
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

douglas12:
Group Title
Use natural logarithms to solve the equation. Round to the nearest thousandth.
5e^2x+8=22
…
 updated one year ago
 10 replies
 No Medals Yet
Mathematics

douglas12:
Group Title
The amount of money in an account with continuously compounded interest is given by the formula A = Pe^rt, where P is the principal, r is th…
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

douglas12:
Group Title
Solve the equation: x^2 + 5x + 22 = 0
A. 0…
 updated one year ago
 8 replies
 4 Medals
Mathematics

douglas12:
Group Title
The graph of g(x)=8x2+ 7x  2 is translated up 7 units to produce the
graph of the function h(x). Which of the following could be h(x)?
…
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

douglas12:
Group Title
If a baseball is dropped from a helicopter 625 feet above ground, then its distance in feet form the ground t seconds later is modeled by 1…
 updated one year ago
 5 replies
 1 Medal
Mathematics

douglas12:
Group Title
Determine whether the matrix has an inverse. If an inverse exists, find it.
5 18
…
 updated one year ago
 8 replies
 No Medals Yet
Mathematics

douglas12:
Group Title
Solve the system by the method of substitution.
y = 3x + 8
…
 updated one year ago
 5 replies
 2 Medals
Mathematics

douglas12:
Group Title
Determine whether y varies directly with x. If so, find the constant of variation k.
–7y = –3x
…
 updated one year ago
 7 replies
 1 Medal
Mathematics

douglas12:
Group Title
Determine whether y varies directly with x. If so, find the constant of variation k and write the equation.
x:
…
 updated one year ago
 10 replies
 No Medals Yet
Mathematics

douglas12:
Group Title
Find the y – intercept of y = 9x  6
A. 1/3
…
 updated one year ago
 3 replies
 1 Medal
Mathematics

douglas12:
Group Title
Given the relation {(7, 3), (6, 1), (4,9), (2, 5)} find the range of its inverse.
A. (1, 3, 5, 9)
…
 updated one year ago
 12 replies
 1 Medal
Mathematics

douglas12:
Group Title
Find the domain of f(x)^1 if f(x)=4x8
A. x≠ 1/4
…
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

douglas12:
Group Title
Let f(x)=2n and g(x)=n4
Find (f o g)(n)
…
 updated one year ago
 3 replies
 3 Medals
Mathematics

douglas12:
Group Title
Given the relation {(7, 3), (6, 1), (4,9), (2, 5)} find the domain of its inverse.
A. (6, 2, 4, 7)
…
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

douglas12:
Group Title
Which of the following relations is a function?
A. {(1, 2), (5, 6), (3, 2), (6, 4)}
…
 updated one year ago
 4 replies
 2 Medals
Mathematics