Solve the equation by factoring.x2 + x - 56 = 0
A. {7, 8}
B. {-8, 7}
C. {-8, -7}
D. {-7, 8}
Answer: B
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The concentration of a drug in an organ at any time t (in seconds) is given by 
where 
is measured in grams/cubic centimeter
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?
How long would it take for the concentration of the drug in the organ to reach 0.15
?
?
How long would it take for the concentration of the drug in the organ to reach 0.12?
?
Round your answer to the nearest hundredth.
?
A. 3.17 seconds; 15.11 seconds
B. 3.18 seconds; 15.07 seconds
C. 3.16 seconds; 15.10 seconds
D. 3.21 seconds; 15.05 seconds
Solve the system of equations by using the inverse of the coefficient matrix.
A. (-2, 3, -3, -5) B. (0, 2, -5, -4) C. (-1, 3, -4, -5) D. (-1, 4, -4, -6)
Sketch a graph of a function f that has the given properties.(a) Continuous everywhere except for a vertical asymptote at x = 0(b) f'(x) < 0 for -? < x < 0(c) f'(x) < 0 for 0 < x < ?(d) f''(x) < 0 for all x
What will be an ideal response?
Find the intercepts of 
.
A. x-intercept: 
y-intercepts: 
and 
B. x-intercepts: 
and 
y-intercept: 
C. x-intercepts: 
and 
y-intercept: 
D. x-intercepts: 
and 
y-intercept: 
E. x-intercepts: 
and 
y-intercept: 