Decide whether the equation is conditional, an identity, or a contradiction. Give the solution set.2(5g + 31) - 10g - 62 = 0
A. Contradiction; ?
B. Identity; {all real numbers}
C. Conditional; {0}
D. Conditional; {5}
Answer: B
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Provide an appropriate response.Find a cofunction equivalent to sin 66°.
A. cos 66° B. tan 24° C. cos 24° D. cot 24°
Solve.(x - 3)2 = 4
A. -5, 1 B. 1, 5 C. 7 D. ± 2
Answer the question about the given function or graph of a function. 
Find any local minimum of f.
A. Local minimum of -2.5 at x = -3.3 and local minimum of 5 at x = -2.5 B. Local maximum of -2.5 at x = -3.3 and local maximum of 5 at x = -2.5 C. Local maximum of -3.3 at x = -2.5 and local maximum of -2.5 at x = 5 D. Local minimum of -3.3 at x = -2.5 and local minimum of -2.5 at x = 5
Use the quadratic formula to solve the quadratic equation.4x2 = -4x - 8
A. x = - 
± 
B. no real solution
C. all real numbers
D. x = 
± 