Find a bound on the real zeros of the polynomial function.f(x) = x5 + 3x4 + 9x3 - 6x2 - 3x - 12
A. -33 and 33
B. - 12 and 12
C. -10 and 10
D. -13 and 13
Answer: D
Mathematics
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Simplify. Be sure to rationalize all denominators. Assume that all variables represent positive real numbers.
A. 1
B. 
C. 
D. 
Mathematics
Solve the system to the nearest 0.1 for each variable by using a graphing calculator.2F + 5T = -2-4F + 2T = -2
A. F = 0.4; T = -0.2 B. F = 0.6; T = -0.4 C. F = 0.3; T = -0.5 D. F = 0.2; T = -0.8
Mathematics
Factor the trinomial completely. If the polynomial cannot be factored, write "prime."3x3y5 + 3x2y5 - 18xy5
A. 3xy5(x - 2)(x + 3) B. y5(3x2 + 6x)(x - 3) C. 3xy5(x + 2)(x - 3) D. prime
Mathematics
Approximate the area of the triangle to the nearest tenth.? = 98.8°, ? = 33.3°, a = 23.1
A. 146.5 B. 390.2 C. 195.1 D. 235.7
Mathematics