Use the rules for exponents to rewrite the expression and then evaluate the new expression. 42 ? 45
A. 262,144
B. 16,777,216
C. 16,384
D. 1,048,576
Answer: C
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Find the intervals on which the function is continuous.y = 
A. continuous on the interval [
, ?)
B. continuous on the interval [-
, 
]
C. continuous everywhere
D. continuous on the intervals (-?, -
] and [
, ?)
Determine the value of the indicated function in the given manner.Find sin 120° by using the functions of 60°.
A. 
B. - 
C. 
D. - 
Provide an appropriate response.Find the reciprocal of - 
.
A. 
B. -5
C. 5
D. 1
Solve the problem.County records list a rectangular parcel of land as measuring 38,688 square yards. A surveyor measures the length of the parcel of land as 248 yards. What is the width of the parcel?
A. The width of the parcel is 165 yards. B. The width of the parcel is 149 yards. C. The width of the parcel is 38,440 yards. D. The width of the parcel is 156 yards.