her or not it is reasonable to assume g is constant near the surface (d) What of the earth? 95. The period, T, of a pendulum is given in terms of its length, 1, by T 2T where g is the acceleration due to gravity (a constant). (a) Find dT/dl. (b) What is the sign of dT/dl? What does this tell you about the period of pendulums? Sar Strengthen Your Understanding In Problems 103-104, explain what is wrong with the state- ment. 103. The only function that has derivative 2x is x2. 104. The derivative of f(x) 1/x2 is f'(x) 1/(2x). In Problems 105-107, give an example of: 105. Two functions f(x) and g(x) such that d ((x) + g(x)) = 2x + 3. NDO -100
Percentage
A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.
Algebraic Expressions
In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.
Numbers
Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.
Subtraction
Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.
Addition
Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.
95.a)
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