exam Maths Puzzle Numerical Ability

solve the equation ln(x+5)-ln(3)=ln(x-3)

a. 2.5
b. 4.5
c. 5
d. 7

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exam Other Question

F(x) = x/x^2-9

a. Find the x-intercept(s).
b. Find the y-intercept(s).
c. Find the vertical asymptote(s) (write as an equation of a line).
d. Find the horizontal asymptote(s
2. Form each of the following:
• A linear equation in one variable
• A linear equation in two variables
• A quadratic equation
• A polynomial of three terms
• An exponential function
• A logarithmic function