Find the reciprocal or multiplicative inverse.
A. 0.2
B. -0.2
C. 
D. no reciprocal
Answer: B
Mathematics
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Evaluate the logarithm to four decimal places.ln 0.988
A. 0.0052 B. 0.0121 C. -0.0052 D. -0.0121
Mathematics
Simplify the polynomial by adding or subtracting, as indicated. Express your answer as a single polynomial in standard form.Subtract (4x5 - 7x3 - 20) from (8x5 + 10x3 - 4).
A. 4x5 + 17x3 - 24 B. 37x8 C. 4x5 + 17x3 + 16 D. 4x5 + 14x3 - 24
Mathematics
Decide whether the equation defines y as a function of x. (Remember that to be a function, every value of x must give one and only one value of y.)y = -4x - 3
A. Yes B. No
Mathematics
Complete the identity.
= ?
A. - sec2 x B. 0 C. 1 - sin x D. 1
Mathematics