exam
Maths Puzzle
Numerical Ability
The inverse of f(x) = 3x + 5 is f^-1(x) =
a. (x - 5)/3
b. (x - 3)/5
c. (x + 5)/3
d. (x + 3)/5
e. none of these
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Write in your own words what it means to raise a power to a power and how it is related to multiplication. Provide an example to illustrate.
Science and medicine. The combined resistance of two resistors R1 and R2 in a parallel circuit is given by the formula.
R1= 1
---------
1 + 1
---- ----
R1 R2
Simplify Formula.