Find the equation of the tangent line at the given point on the curve.x2 + 3y2 = 13; (1, 2)
A. y = 
x + 
B. y = 
x + 
C. y = - 
x + 
D. y = - 
x + 
Answer: C
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Graph on the number line, and express in interval notation.The set of all real numbers between -2 and 2 excluding -2 and including 2.
A. (-2, 2]
B. (-2, 2)
C. [-2, 2]
D. [-2, 2)
Find the limit and determine if the function is continuous at the point being approached.
sin (5x - sin 5x)
A. 0; no B. Does not exist; yes C. 0; yes D. Does not exist; no
Based on the ordered pairs seen in the pair of tables, make a conjecture as to whether the function defined in Y1 is even, odd, or neither even nor odd.
A. Odd B. Neither even nor odd C. Even
A garden store sells Kentucky bluegrass seed for $6 per pound and ryegrass seed for $3 per pound. How much rye must be mixed with 180 pounds of bluegrass to obtain a blend that will sell for $5 per pound?
A. 90 lb B. 60 lb C. 80 lb D. 105 lb E. 70 lb