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1 Evaluate the function at the indicated value of x. Round your result to three decimal places. Function: f(x) = 0.5x Value: x = 1.7
1 Evaluate the function at the indicated value of x. Round your result to three decimal places. Function: f(x) = 0.5x Value: x = 1.7 -0.308 1.7 0.308 0.5 -1.7 5 points Question 2 Match the graph with its exponential function. y = 2-x - 3 y = -2x + 3 y = 2x + 3 y = 2x - 3 y = -2x - 3 5 points Question 3 Select the graph of the function. f(x) = 5x-1 5 points Question 4 Evaluate the function at the indicated value of x. Round your result to three decimal places. Function: f(x) = 500e0.05x Value: x=17 1169.823 1369.823 1569.823 1269.823 1469.823 5 points Question 5 Use the One-to-One property to solve the equation for x. e3x+5 = e6 x = -1/3 x2 = 6 x = -3 x = 1/3 x=3 5 points Question 6 Write the logarithmic equation in exponential form. log8 64 = 2 648 = 2 82 = 16 82 = 88 82 = 64 864 = 2 5 points Question 7 Write the logarithmic equation in exponential form. log7 343 = 3 7343 = 2 73 = 77 73 = 343 73 = 14 3437 = 2 5 points Question 8 Write the exponential equation in logarithmic form. 43 = 64 log64 4 = 3 log4 64 = 3 log4 64 = -3 log4 3 = 64 log4 64 = 1/3 5 points Question 9 Use the properties of logarithms to simplify the expression. log20 209 0 -1/9 1/9 -9 9 5 points Question 10 Use the One-to-One property to solve the equation for x. log2(x+4) = log2 20 19 17 18 16 20 5 points Question 11 Find the exact value of the logarithmic expression. log6 36 2 6 36 -2 none of these 5 points Question 12 Use the properties of logarithms to expand the expression as a sum, difference, and/or constant multiple of logarithms. (Assume all variables are positive.) log3 9x log3 9 x log3 x log3 9 + log3 x log3 9 log3 none of these 5 points Question 13 Condense the expression to a logarithm of a single quantity. logx - 2logy + 3logz 5 points Question 14 Evaluate the logarithm using the change-of-base formula. Round your result to three decimal places. log4 9 1.585 5.585 3.585 4.585 2.585 5 points Question 15 Determine whether the given x-value is a solution (or an approximate solution) of the equation. 42x-7 = 16 x=5 no yes 5 points Question 16 Solve for x. 3x = 81 7 3 4 -4 -3 5 points Question 17 Solve the exponential equation algebraically. Approximate the resulte to three decimal places. e5x = ex2-14 -7, -2 7, -2 5, -14 7, 2 -7, 2 5 points Question 18 Solve the logarithmic equation algebraically. Approximate the result to three decimal places. log3(6x-8) = log3(5x + 10) 18 20 17 19 -2 5 points Question 19 Find the magnitude R of each earthquake of intensity I (let I0=1). I = 19000 3.28 5.28 4.28 2.38 6.28 5 points Question 20 $2500 is invested in an account at interest rate r, compounded continuously. Find the time required for the amount to double. (Approximate the result to two decimal places.) r = 0.0570 13.16 years 10.16 years 11.16 years 12.16 years 14.16 years
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