Solve the equation.
= 5 - 2x
A. 
, 9
B. 
C. 
, 5
D. 5
Answer: B
Mathematics
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Find the quadratic approximation of f at x = 0.f(x) = tan 2x
A. Q(x) = 1 - 1x2 B. Q(x) = 1 + 1x2 C. Q(x) = 2x D. Q(x) = 1 + 2x2
Mathematics
Solve by the substitution method.x - 4y = 26-4x - 5y = 43
A. (2, -6) B. (26, 43) C. (-3, -6) D. (-2, -7)
Mathematics
Factor the polynomial completely. If the polynomial cannot be factored, say it is prime.21x3 - 69x2 + 18x
A. x(3x - 3)(7x - 2) B. 3x(x + 3)(7x + 2) C. 3x(x - 3)(7x - 2) D. prime
Mathematics
Subtract.5169
A. 445 B. 437 C. 4445 D. 397
Mathematics