Determine whether the graph represents a function.
A. A function
B. Not a function
Answer: A
Mathematics
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Find an equation for the line tangent to the given curve at the indicated point.y = x2 - 4 at (-2, 0)
A. y = -4x - 12 B. y = -4x - 8 C. y = -2x - 8 D. y = -4x - 16
Mathematics
Give the numerical coefficient of the term.-9y11
A. 9 B. 11 C. y11 D. -9
Mathematics
Suppose ABC is a right triangle with sides of lengths a, b, and c and right angle at C. Find the unknown side length using the Pythagorean theorem and then find the value of the indicated trigonometric function of the given angle. Rationalize the denominator if applicable.Find cos A when a = 5 and b = 3.
A. 
B. 
C. 
D. 
Mathematics
Write the number in scientific notation.2.01854
A. 2.01854 x 10 B. 2.01854 x 100 C. 2.01854 x 10-1 D. 2.01854 x 101
Mathematics