Write the exponential equation x = 11y in logarithmic form. Solution:- Recall y = logb x is called the logarithmic form of the equation and x = by…
Month: May 2015
Problem 724
Write the logarithmic equation y = ln (15x) in exponential form. Solution:- Recall y = logb x is called the logarithmic form of the equation and x =…
Problem 723
The profit function for a product is given by P(x) = -n3 +2n2 + 1600n -3000, where x is the number of units produced and sold and P is in…
Problem 722
Use factoring by grouping to solve the equation. 3×3 – x2 – 108x + 36 = 0 Solution:- Notice that the expression on the left side of the…
Problem 721
Evaluate Solution:- Evaluate x = 0 = =
Problem 720
Solve the equation: 5-x = 625. Solution:- log5 625 = -x log5 5^4 = -x 4 log5 5 = -x (log5 5 =1) 4 = -x x =…
Problem 719
The value of a particular investment follows a pattern of exponential growth. You invested money in a money market account. The value of your investment t years after your initial investment is…
Problem 718
Find the eccentricity of the ellipse Solution:- eccentricity of the ellipse = c = c = c= c = eccentricity =
Problem 717
Find the vertex of the parabola x = 3y2 + 6y+1 Solution:- y coordinate = = = -1 x coordinate = +6(-1)+1 =3-6+1 =-2 So vertex of the…
Problem 716
Write the expression in a + bi form Solution:- = =4(cos 90+ isin90) = 4(0+i(1)) =4i
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