An equation that defines y as a function of x is given. Solve for y in terms of x, and replace y with the function notation f(x).9x2 + 7y = 6
A. f(x) = 6 - 9x2
B. f(x) = 
C. f(x) = 
D. f(x) = -9x2 + 
Answer: B
Mathematics
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Find the limit.
tan-1 x
A. - 
B. 0
C. -?
D. 
Mathematics
Find the equation of the line that has the given properties. Write the equation in slope-intercept form, if possible. Contains (0, 0); parallel to the line 4x - y = 3
A. y = 
x
B. y = - 
x
C. y = 4x
D. y = - 
x + 3
Mathematics
Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.log2(x - 1) - log2(x + 4)
A. log2-5
B. log2
C. log2(x2 + 3x - 4)
D. log2
Mathematics
Add or subtract. Simplify the answer.
- 
A. 
B. 
C. 
D. 
Mathematics