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 + 
Answer: D
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Find the area of the region specified in polar coordinates.one petal of the rose curve r = 10 cos 3?
A. 50?
B. 
?
C. 25?
D. 
?
Find a general expression for the slope of a tangent line to the indicated curve.y = 5x4 - 6x3 - 9
A. 20x3 - 18x2 B. 20x4 - 18x3 - 9 C. 4x3 - 6x2 D. 20x3 - 18x2 - 9
Tasmanian automobile licence plates consist of three capital letters (A through Z) followed by three digits (0 through 9).How many Tasmanian license plates start with the word ZOO?
A. 10 B. 1000 C. 1 D. 100 E. none of these
Solve using the elimination method. If the system has an infinite number of solutions, use set-builder notation to write the solution set. If the system has no solution, state this.5x - 2y = -6-15x + 6y = 18
A. 
B. 
C. {(x, y)|5x + -2y = -6}
D. No solution