Factor the difference of squares. If the polynomial cannot be factored, write "prime."4x2 + 9
A. (2x + 3)2
B. prime
C. (2x - 3)2
D. (2x + 3)(2x - 3)
Answer: B
Mathematics
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Use a computer algebra system (CAS) to solve the given initial value problem.y' = 11x2 sin x, y(0) = 3
A. y = -11 cos x2 + 14 B. y = -11x cos x + 11 sin x + 3 C. y = -11x sin x cos x + 11 sin2 x + 11x2 + 3 D. y = -11(x2 - 2) cos x + 22x sin x - 19
Mathematics
? is an acute angle and sin ? and cos ? are given. Use identities to find the indicated value.Given that sin ? = 
and cos ? = 
, find the value of tan ?.
A. 
B. 
C. 
D. 
Mathematics
Find a unit vector u in the direction of the given vector.
A. 
B. 
C. 
D. 
Mathematics
Identify the probability statement as empirical or not.The probability of federal taxes being raised in a randomly chosen year is 0.30.
A. Empirical B. Not empirical
Mathematics