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

Pesticides, manure and human hair are common contaminants, critically discuss how food is contaminated in these three different ways.

Compute (4.29×1015)⋅(1.77×10−4)

José is afraid to ask Tina on a date because he fears she will say no. José is experiencing A. negative self-talk. B. self-confidence. C. positiv

what would be the dimensions of a box on each side to hold 1mL

is filtration is an effective method to purify water for drinking?

what is plural for "un escritorio" in spanish?

What is 12 divide by 25

please helpRead the poem below and complete the statement that follows. “Irony” by Jennifer T. The shards of glass littered the cold, black asphalt like sparkl

Halp em look th the picher

the sum of the measures of the interior angles of a triangle is 180 degrees. true false