# How many functions are there of the form f(x) = mx + b where m and b are real numbers? How do you know?

• How many functions are there of the form f(x) = mx + b where m and b are real numbers? How do you know?

Suppose you’re considering all linear functions, those of the form ax+b where a and b ... f_{a,b}(x)=ax+b[/math]. Or you ... How do you know how many ...
Positive: 37 %
... the domain may include all real numbers. x could be any real number. ... The parentheses in f(x) ("f of x") do not mean ... Write the functions f(g(x)) ...
Positive: 34 %

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Most graphing calculators do a lousy job of graphing rational functions unless you know how ... by f(x). Rational functions ... the form y = a x + b ...
Positive: 37 %
1 Factoring Formulas For any real numbers a and b, ... Point-Slope Form y y 1 = m(x x 1) where a;b;c are real ... Let f(x) be a real polynomial. If there ...
Positive: 32 %
... Real Zeros of Polynomial Functions ... sign changes in f(x). The actual number of positive real ... If there were no negatives, then you would know ...