Write two verbal expressions for 2d

2 answers:

5 0

<span>. 2 verbal expression of 2d
Verbal expressions in mathematics is the translation of the given mathematical equation or numbers into words. For example the verbal expression of operations are:
+ = addition
- = subtraction
/ - division
x = multiplication

In the given number of 2d, these are the two verbal expression:
2d => 2 times d; or 2 multiply by d
2d => the product of 2 and d
Verbal expression are the words translation of mathematical equations.

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kupik [55]3 years ago

3 0

. . . the product of two and d

. . . two multiplied by d

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$\boxed{\dfrac{f(a+h)-f(a)}{h}=-3a^2-3ah-h^2}$

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$f(x)=-x^3+2\\\\\dfrac{f(a+h)-f(a)}{h}\\\\f(a+h)\to\text{substitute x = a + h}\\f(a)\to\text{substitute x = a}\\\\\dfrac{f(a+h)-f(a)}{h}=\dfrac{-(a+h)^3+2-(-a^3+2)}{h}\\\\\text{use}\ (x+y)^3=x^3+3x^2y+3xy^2+y^3\\\\=\dfrac{-(a^3+3a^2h+3ah^2+h^3)+2-(-a^3)-2}{h}\\\\=\dfrac{-a^3-3a^2h-3ah^2-h^3+2+a^3-2}{h}\\\\\text{combine like terms}$

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