Use the rules for exponents to rewrite the expression and then evaluate the new expression. (72)-1
A. 
B. - 
C. -14
D. -49
Answer: A
Mathematics
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Graph using the slope and y-intercept.y = -5x + 5
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A building 200 feet tall casts a 40 foot long shadow. If a person looks down from the top of the building, what is the measure of the angle between the end of the shadow and the vertical side of the building (to the nearest degree)? (Assume the person's eyes are level with the top of the building.)
A. 12° B. 79° C. 78° D. 11°
Mathematics
Provide an appropriate response.State the domain of the inverse cotangent function.
A. (-?, ?)
B. [-1, 1]
C. (-?, -1] ? [1, ?)
D. 
? 
Mathematics
Find the equation of the tangent line at the given value of x on the curve.y
= 4, x = 3
A. y = 
x + 
B. 2y = - 
x + 
C. 2y = 
x + 
D. y = - 
x + 
Mathematics