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alekssr [168]
1 year ago
14

PLS HELP ASAP! Ty Let g(x)= 2x^2+3x-9 and h(x)=x^2+2x-6 Find (h-g)(2.1)

Mathematics
1 answer:
Sergeu [11.5K]1 year ago
8 0

{\qquad\qquad\huge\underline{{\sf Answer}}}

Let's solve ~

\qquad \sf  \dashrightarrow \: (h - g)(x)

\qquad \sf  \dashrightarrow \: h(x) - g(x)

\qquad \sf  \dashrightarrow \:  {x}^{2}  + 2x - 6 - (2 {x}^{2}  + 3x - 9)

\qquad \sf  \dashrightarrow \:  {x}^{2}  + 2x - 6 - 2 {x}^{2}   -  3x  +  9

\qquad \sf  \dashrightarrow \:  {x}^{2}  - 2 {x}^{2}  + 2x - 3x - 6 + 9

\qquad \sf  \dashrightarrow \:  -  {x}^{2}  - x + 3

For, (h - g)(2.1), put x = 2.1

\qquad \sf  \dashrightarrow \:  -  {(2.1)}^{2}  - (2.1) + 3

\qquad \sf  \dashrightarrow \:  - 4.41 - 2.1 + 3

\qquad \sf  \dashrightarrow \:  - 6.51 + 3

\qquad \sf  \dashrightarrow \:  - 3.51

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