Mathematics

Mathematics, 09.07.2019 06:30, emma3216

The function h is defined by h (x) = 2x^2 + 3. find h(2x)

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Mathematics, 08.07.2019 06:30, Likat681

For f(x)=1/x^2-3 find a) f(3) b) f(2-h) show/explain how if you can .for the function defined by the following attachment, evaluate f(0)

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Mathematics, 15.07.2019 18:40, jreasley3783

Which of the following statements are true? a. if the functions $f(x)$ and $g(x)$ have inverses, and $h = f \circ g,$ then the function $h$ has an inverse, and $h^{-1} = f^{-1} \circ g^{-1}.$ b. if $f(x)$ and $g(x)$ have inverses, then the function defined by $h(x) = f(x) + g(x)$ has an inverse. c. if $f(f(x)) = x$ for all $x,$ then the function $f(x)$ has an inverse. d. if $f(f(f( = x$ for all $x,$ then the function $f(x)$ has an inverse. e. if the function $f(x)$ has an inverse, and $f(x) \neq 0$ for all $x,$ then the function defined by $g(x) = \frac{1}{f(x)}$ has an inverse. f. if the function $f(x)$ has an inverse, then the function defined by $g(x) = [f(x)]^2$ has an inverse. g. if the function $f(x)$ has an inverse, and $f(x) \ge 0$ for all $x,$ then the function defined by $g(x) = \sqrt{f(x)}$ has an inverse. h. if $f(x) < f(y)$ for all $x > y,$ then the function $f(x)$ has an inverse. enter the letters of the true statements, separate d by commas. for example, if you think statements e and h are true, enter "e,h" without the quotation marks.

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Mathematics, 29.07.2019 22:10, yofavrayne

The domain of a vector function r(t) consists of all values of t for which the expression for r(t) is defined. therefore, to find the domain, find the intervals where each component is defined, then find their intersection. the first component of r(t) = 25 − t2 , e−6t, ln(t + 4) , namely 25 − t2 , is defined as long as 25 − t2 ≥ 0. this means t must be in the interval

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Mathematics, 08.08.2019 02:20, chantellejames4073

Enter your choice in the space provided next to the problem number 1. let a (1,2,3) and b [1,8,27). which of the following defines a function from a into b? 2. let a-(1,23), b-(1, 8, 27) and f-t(1,1), (2,1), (3,1)) be a function from a into b. which of the following is the range of f? a. {1,2,3} c. (1,8,27) 3. two functions defined on the sets x (1.2,3) and y following statements concerning i) and i) is most accurate? fa, b, c) are given below. which of the a. only f maps x onto y. c. both f and g map x onto y b. only g maps x onto y d.neither f nor g are function from x onto y. 4. let f: r- r be given by f(x) e*. which of the following intervals corresponds to the rangs this function? 5. find [31.65] a. 31.7 b. 32 c. 31 d. 30 ,6. find 195] + [106] c. 20 d. 22 a. 18 b. 19

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