Solve the problem.Find the tangent to y = cos x at x = 
.
A. y = - x - 
B. y = 1
C. y = - x + 
D. y = x + 
Answer: C
Mathematics
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Solve the equation by using the quadratic formula. Give only real number solutions.2m2 + 8m + 3 = 0
A. 
B. 
C. 
D. 
Mathematics
Solve using the substitution method. If the system has an infinite number of solutions, use set-builder notation to write the solution set. If the system has no solution, state this.x + y = -3x + y = -7
A. (0, 0) B. No solution C. (-3, -7) D. (0, -10)
Mathematics
Simplify the expression by combining any like terms.2y + y - 6y
A. -3y B. -4y + y C. -5y D. -4y
Mathematics
Match the rational function with the appropriate graph.f(x) = 
A. 
B. 
C. 
D. 
Mathematics