Use geometry to evaluate the definite integral.
A. 88
B. 44
C. 100
D. 50
Answer: C
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The matrix associated with the solution to a system of linear equations in x, y, and z is given. Write the solution to the system, if it exists.
A. inconsistent system, no solution B. infinitely many solutions of the form x = 5z + 5, y = 2z + 2, z = 1 C. x = 0, y = 0, z = 1 D. infinitely many solutions of the form x = 5 - 5z, y = 2 - 2z, z = z
Perform the indicated operation.0.10 + (-6.192)
A. 6.092 B. -6.192 C. -6.092 D. -6.292
Express the sum using summation notation.
- 
+ 
- ... + (-1)(13 + 1) 
13
A. 
k
B. 
k
C. 
D. 
k
Solve the problem.Kidstown Daycare charges $1.75 per hour or fraction of an hour for childcare. The maximum charge per day is $7.50. Write a function that gives the charge for h hours with 
Then graph the function and identify at what values of h it is continuous.
A. f(x) = 
;
Continuous at all values of h.
B. f(x) = 
;
Continuous at all h except at the positive integers from 1 to < 4
C. f(x) = 
;
Continuous at all values of h.
D. f(x) = 
;
Continuous at all h except at the positive integers from 1 to < 4