use f(x)=3x-4 and g(x)=2x^2 to evaluate each of the following
(a)(f+g)(3) (b)(f-g)(-2) (c)(fg)(7) (d)(f/g)(0)

Question

use f(x)=3x-4 and g(x)=2x^2 to evaluate each of the following
(a)(f+g)(3)  (b)(f-g)(-2)  (c)(fg)(7)  (d)(f/g)(0)

anonymous · Answer

(a)(f+g)(3)=(3x-4)+(2x^2)
               =(3(3)-4)+(2(3)^2)
               =(9-4)+(2*9)
               =5+18
               = 23

anonymous · Answer

thank u

anonymous · Answer

(b)(f-g)(-2)=(3x-4)-(2x^2)
                =(3(-2)-4)-(2(-2)^2)
                =-10-8
                =-18

anonymous · Answer

thank you so much I am so lost in this that I did not know there were two answers.

anonymous · Answer

(c)(fg)(7)=(3(7)-4)*(2(7)^2)
            =(21-4)(2*49)
            = 17*98
            =1.666

anonymous · Answer

(d)(f/g)(0)=$$\frac{3x-4}{2x^2}=\frac{3(0)-4}{2(0)^2}=\frac{0-4}{0}=0$$

anonymous · Answer

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