Find the intervals on which the function is continuous.y = 
A. discontinuous only when x = -3 or x = 4
B. discontinuous only when x = 3 or x = 4
C. discontinuous only when x = 3
D. discontinuous only when x = -4 or x = 3
Answer: B
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Change the exponential expression to an equivalent expression involving a logarithm.43/2 = 8
A. 
= 4
B. log84 = 
C. log34 = 
D. log48 = 
Simplify the expression, writing the answer as a single term without negative exponents.
-3 + 
-1
A. 
B. 
C. 
D. 
Complete.191 ft = 
m (Round to the nearest tenth.)
A. 573 B. 58.3 C. 212.2 D. 63.7
Find the solution by graphing the system of equations.Robin is having her yard landscaped. She obtained an estimate from two landscaping companies. Company A gave an estimate of $200 for materials and equipment rental plus $65 per hour for labor. Company B gave and estimate of $280 for materials and equipment rental plus $55 per hour for labor. We can represent this situation with the system of linear equations c = 200 + 65h c = 280 + 55hwhere c is the total cost and h is the number of hours of labor. Find the number of hours of labor for the two companies to have the same total cost.
A. 7 hours B. 12 hours C. 11 hours D. 8 hours