Add or subtract as indicated. Express the answer as a single polynomial in standard form.(5x2 - 19x + 9) - (2x2 + 15x + 14)
A. 3x2 - 34x + 23
B. 3x2 - 34x + 5
C. 3x2 - 34x - 5
D. 3x2 - 17x + 23
Answer: C
Mathematics
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Solve the exponential equation. Use a calculator to approximate the solution to the nearest thousandth.2 = e3 - x
A. x ? 2.301 B. x ? 1.307 C. x ? 2.693 D. x ? 1.699
Mathematics
Use properties of logarithms to write the expression in terms of logarithms of x, y, z.loga(7x2yz3)
A. 6 loga7xyz B. 7 + logay + logaz3 C. loga7 - 2 logax - logay - 3 logaz D. loga7 + 2 logax + logay + 3 logaz
Mathematics
Simplify.
A. -2 B. -1 C. 2 D. undefined
Mathematics
Evaluate the expression without using a calculator.log3
A. 
B. 6
C. -2
D. 2
Mathematics