Solve the system of equations by the substitution method.
A. (12, -6)
B. infinite number of solutions
C. (-6, 12)
D. no solution
Answer: A
Mathematics
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Find the location of the indicated absolute extremum for the function.Maximum
A. No maximum B. x = 5 C. x = 3 D. x = 0
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Evaluate the second derivative of the function for the given value of x.f(x) = x4 + 2x3 - 3x + 1; x = -1
A. -5 B. 4 C. 0 D. 1
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Approximate the value using a calculator. Express answer rounded to three decimal places.e-1.3
A. -3.534 B. 0.273 C. 0.573 D. -0.273
Mathematics
Find the angle between v and w. Round your answer to one decimal place, if necessary.v = -4i,
w = j
A. 0° B. 90° C. 180° D. 270°
Mathematics