axsxhxlxexyx1106 axsxhxlxexyx1106

04-03-2018
Mathematics

contestada

The function f is defined by f(x) x2 +3x-10.

If fx +5)x2 +kx+30, k = [?]

Find the smallest zero of f(x+5). x = [?]

The function f is defined by fx x2 3x10 If fx 5x2 kx30 k Find the smallest zero of fx5 x class=

Respuesta :

tynollette tynollette

04-03-2018

f(x+5)=(x+5)²+3(x+5)-10
f(x)=x²+10x+25+3x+15-10
f(x)=x²+13x+30
k=13

x²+13x+30=0
(x+3)(x+10)=0
x=-3 or -10
the smallest zeros is x=-10

Answer Link

clouds122 clouds122

15-04-2021

Answer:

K=13

X=-10

Step-by-step explanation:

Answer Link

Otras preguntas

Estimate the answers to the following calculations by carrying out order of magnitude calculations. a) 0.26 x 890 b) [tex]\frac{1.95}{0.0067}[/tex] c) 2010 x [t

Please help me w the answer

What is 4 and 2/3 written as a radical?

14 Calculate the mode from the following data: 7,8, 6, 5, 10, 11, 4, 5,2 b. 5: а. 3.' 4 6 с. d: 6

Find the best way to fix this grammatically incorrect sentence: “In the nursery. After the spring rain. Smelled clean.” A. In the nursery, after the spring rain

find the mean proportional between 9 and 1/36

3. He refrained _ giving me advice 4.He set _ for the holy place

a parallelogram has side lenghts 20 cm and 25 cm. the diagonal opposite the obtuse angle measures 38 cm. what is the measure of the obtuse angle?

How many odd numbers greater than 60000 can be formed, using numbers 2,3,4,5 and 6 if each digit is used only once in each number?

what does it mean to you to be an African