Graph the function. Use the graph to find any relative maxima or minima.f(x) = -x2 + 6x - 7
A. Relative maximum of 2 at x = 3
B. Relative minimum of 2 at x = 3
C. No relative extrema
D. Relative maximum of 3 at x = 2
Answer: A
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Use the change of base formula and a calculator to approximate the logarithmic expression. Round your answer to four decimal places.log
213.1
A. 5.5108 B. 0.4225 C. 0.1815 D. 2.7554
Provide an appropriate response.The voltage of a generator is 220V. If approximately 8V are lost in a supply line, what is the rate of voltage loss?
A. 3.64% (rounded) B. 0.04% (rounded) C. 17.6% (rounded) D. 96.36% (rounded)
Provide an appropriate response.Arrange the quadratic equation is standard form: 0.2x2 + 0.7x = 3
A. 0.2x2 + 0.7x - 3 = 0 B. 3 - 0.2x2 - 0.7 = 0 C. 0.7x + 0.2x2 - 3 = 0 D. 0.2x2 + 0.7x + 3 = 0
Determine whether the statement is true or false.cos(30°+ 45°) = cos 30° ? cos 45° - sin 30° ? sin 45°
A. True B. False