Solve the exponential equation and approximate the result, correct to three decimal places.ex + e-x = 5
A. 1.6472, -1.6472
B. 1.1613, -1.9723
C. 1.5668, -1.5668
D. 1.5552, -1.3321
Answer: C
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Solve the rational equation.
+ 
= 
A. 
B. 
C. 
D. 
Write the decimal point in the correct location. 2799 × 0.028 = 78372
A. 78.372 B. 783.72 C. 78,372. D. 7.8372
Perform the indicated operations. Express the answer as a single polynomial in standard form.(x - 12)(x2 + 9x - 6)
A. x3 - 3x2 - 102x - 72 B. x3 + 21x2 + 102x - 72 C. x3 + 21x2 + 114x + 72 D. x3 - 3x2 - 114x + 72
It is not apparent from the standard viewing window whether the graph of the quadratic function intersects the x-axis once, twice, or not at all. Experiment with various windows to determine the number of x-intercepts. If there are x-intercepts, give their values to the nearest hundredth.y = x2 - 3.1x + 2.4
A. One; (1.50, 0) B. Two; (1.30, 0) and (1.70, 0) C. None D. Two; (1.50, 0) and (1.60, 0)