State whether the function is linear or quadratic.f(x) = 2 + 5x2
A. Linear
B. Quadratic
Answer: B
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Solve the problem.Find the area of a rectangle with length 6.3 mm and width 
A. 46 mm2 B. 46.0 mm2 C. 27 mm2 D. 27.2 mm2
Find the numerator determinant for x in the following equations: 2x + 3y = 3; 4x - 2y = 6
a. ³3 3³ ³ ³ ³2 6³ b. ³2 3³ ³ ³ ³4 2³ c. ³2 3³ ³ ³ ³4 6³ d. ³3 3³ ³ ³ ³6 -2³
Solve the system for x and y using Cramer's rule. Assume a and b are nonzero constants.x + 
y = a
x + y = b
A. 
B. 
C. 
D. 
Write fraction in lowest terms.A marketing firm develops two different television commercials for a product. To determine which is more effective, the firm conducts an experiment. They randomly select 400 people using the phone directory and pay 200 to watch one of the commercials and the other 200 to watch the other. They then ask the viewers whether they would buy the product. 42 said yes in the first group, while 80 said yes in the second group. Write the lowest-terms fraction for each group.
A. 
, 
B. 
, 
C. 
, 
D. 
, 