f(-3x) is equal to (B) 6x + 5.
What is an equation?
- An equation is a formula in mathematics that expresses the equality of two expressions by connecting them with the equals sign =.
- The word equation and its cognates in other languages may have subtly different meanings; for example, in French, an équation is defined as containing one or more variables, whereas in English, an equation is any well-formed formula consisting of two expressions linked by an equals sign.
To find f(-3x) is equal to which option:
Given -
- f(x) = -2x + 5
- f(−3x) = −2(−3x)+5
- f(−3x) = 6x+5
Therefore, f(-3x) is equal to (B) 6x + 5.
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