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

HELPPPP 1. What are the primary organs of the urinary system? A. kidneys B. lungs C. blood vessels D. hormone secreting glands 2. Which structure in the nephron

Avery invested $6000 in a simple interest bearing account at a yearly rate of 3% . he earned $900 interest. for how many years was the money invested ? a) 4 B)5

Heelellelelllllllllllllllllllp meeeeeeeeee

CAN SOMEONE HELP ME PLEASE ASAP!?

A cork on the surface of a pond bobs up and down two times per second on ripples having a wavelength of 7.60 cm. If the cork is 14.0 m from shore, how long does

How did the scientific community react to Alfred Wegner's theory on Continental Drift when he FIRST published it?.

Which division problem would have an estimated quotient of 15 if the divisor and dividend were rounded to the nearest whole number? 90. 24 divided by 6. 3 79. 8

Graphing inequalities A. A number line from 0 to 20 in increments of 2. A point is at 4 with a bold line starts at 4 and is pointing to the right. B. A number l

Please help I need u I have a picture to explain

Which TWO are benefits of using Angel investors to help start a business?