Solve the system by the addition method.
A. {(2, 0), (-2, 0)}
B. {(3, 0), (-3, 0)}
C. {(0, 3), (0, -3)}
D. {(0, 2), (0, -2)}
Answer: A
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Find all points where the function is discontinuous.
A. x = -2, x = 2 B. x = -2, x = 0, x = 2 C. None D. x = 0
Determine whether function f represents exponential growth, exponential decay, linear growth or linear decay. Find a formula for f.
A. Exponential decay; f(x) = 4
x
B. Linear growth; f(x) = 15x + 5
C. Exponential growth; f(x) = 5(4)x
D. Linear decay; f(x) = 
x + 5
Provide an appropriate response.Find the amount by which the interest compounded annually is larger than the simple interest. Round to the nearest cent.Principal: $830 Rate: 6% Years: 15
A. $349.35 B. $1242.14 C. $412.14 D. $495.14
Find the difference quotient and simplify your answer.
?
f(x) = x2 - x + 1, 
, h ? 0
?
A. 
, h ? 0
B. 
, h ? 0
C. 
, h ? 0
D. 
, h ? 0
E. 
, h ? 0