Solve the system of equations graphically. If the system does not have a single ordered pair as a solution, state whether the system is inconsistent of dependent. 4x + y = -11 5x - 4y = -40
A. (-2, -3)
B. (-4, -5)
C. (-4, 5)
D. (4, 5)
Answer: C
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Decide whether the given number is a solution to the equation preceding it.p - 5 = 10; 15
A. No B. Yes
?Find the constant k such that the function 
is a probability density function over the interval [3, 8].
?
A. ?5
B. ?
C. ?
D. ?
E. ?
Determine where the given function is increasing and where it is decreasing. f(x) = 45x3 - 3x5
A. Decreasing on (-?, -3] and [3, ?), increasing on 
B. Decreasing on (-?, -3] and [0, 3], increasing on 
and [3, ?)
C. Increasing on (-?, -3] and [0, 3], decreasing on 
and [3, ?)
D. Increasing on (-?, -3] and [3, ?), decreasing on 
A spinner can land on three different colors, blue (B), green (G), or yellow (Y), with the following probabilities.
P(B) = 0.31, P(G) = 0.52, P(Y) = 0.17 What is the probability the spinner will land on blue or green? A) 0.81 B) 0.82 C) 0.83 D) 0.84