Solve the problem.Find the equation of the normal to the parabola y2 = 30x at the point (6, 6
).
A. y = - 
x + 
B. y = - 
x + 
C. y = - 
x + 
D. y = 
x + 
Answer: B
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Sketch the curve.
+ 
= 1
A. 
B. 
C. 
D. 
Write the underlined phrase with the requested approximation in scientific notation.An airline estimated that 
Round this number to the nearest ten million and write a sentence indicating the approximation in scientific notation.
A. The total number of gallons of gas consumed was approximately 2.47 × 1010. B. The total number of gallons of gas consumed was approximately 2.46 × 1010. C. The total number of gallons of gas consumed was approximately 2.47 × 109. D. The total number of gallons of gas consumed was approximately 2.46 × 109.
Solve the inequality. Graph the solution set and write the solution set in set-builder notation.(x + 1)(x - 3) < 0
A. {x 
B. {x 
C. {x 
D. {x 
Find the area of the geometric figure.
Use 3.14 for ?.
A. 7.07 sq mi B. 28.26 sq mi C. 18.84 sq mi D. 9.42 sq mi