Find an equation of the line having the specified slope and containing the indicated point. Write your answer in slope-intercept form.m = 9; (0, 4)
A. f(x) = 9x + 4
B. f(x) = 9x + 11
C. f(x) = 9x + 9
D. f(x) = -9x + 2
Answer: A
Mathematics
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Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.
(5
- 6
)
A. 30
- 6
B. 18
C. 18
D. 4
Mathematics
Use the substitution-of-variable technique to solve the system analytically.
+ 
= 
- 
= 
A. 
B. {(8, 7)}
C. {(-7, -8)}
D. {(7, 8)}
Mathematics
Solve the problem.Let f(x) = x2 + 3x - 21. Find a so that f(a) = 19.
A. {-8, -5} B. {8, 5} C. {-8, 5} D. {8, -5}
Mathematics
Find f + g or f - g as indicated.f(x) = x2 + 4x + 8, g(x) = 7x + 8Find f + g.
A. x2 + 11x + 11 B. x2 + 10x + 12 C. x2 + 10x + 16 D. x2 + 11x + 16
Mathematics