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Umnica [9.8K]
3 years ago
10

Hey i keep on getting these questions wrong on my math hw and i was wondering if anyone could explain to me how to do them

Mathematics
1 answer:
zvonat [6]3 years ago
7 0

given

\frac{f(x + h) - fx}{h}

substitute the value given into the equation

=  \frac{5(x + h) ^{2} }{h}  - 5 {x}^{2}

= 5( {x}^{2}  + 2xh +  {h} ^{2} )   - 5 {x}^{2}

thus simplifying the numerator only

=  \frac{5 {x }^{2}  + 10xh + 5 {h}^{2}  - 5 {x}^{2} } {h}

=  \frac{10xh + 5 {h}^{2} }{h}

= 10x + 5h

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