Which of the following is a factor of 32x3 + 4? a. 2x − 1 b. 4x2 − 4x + 1 c. 4x2 − 2x + 1 d. none of the above

For what values of b will f(x)= logbx be a decreasing function? (16 )

Write the expression as a single natural logarithm. 2 in a - 4 in y

Atorch and a battery cost 2.50 altogether.the torch costs 1.50 more than the battery.what fraction of the total price is the torch? give your answer in its simplest form.