Find an equation of the tangent line to the graph of the function 
at the point that has x-coordinate 
.
?
A. 
B. 
C. 
D. 
E. 
Answer: A
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Answer the problem with a sentence containing the requested unit of measure. Write improper fractions as mixed numbers for U.S. measures and as decimals for metric measures.A child is 46 inches tall. Express this number in centimeters.
A. A child is 115 centimeters tall. B. A child is 120 centimeters tall. C. A child is 18.4 centimeters tall. D. A child is 110 centimeters tall.
Use the rules of exponents to simplify. Write the answer with positive exponents. Assume that all variables represent positive values.z-2/5 ? z3/5
A. z5/6 B. z1/5 C. z6/5 D. z-1/5
The demand equation is 
.
?
Compute the elasticity of demand and determine whether the demand is elastic, unitary, or inelastic at 
.
?
A. 6; elastic
B. 
; inelastic
C. 5; elastic
D. 
;elastic
Use the quadratic formula to solve the equation.2x2 - 5x - 7 = 0
A. 
B. 
C. 
D. 