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

A piece of wire 30 m long is cut into two pieces. One piece is bent into a square and the other is bent into a circle. (a) How much wire should be used for the

the polen grains in this plant causes asthama in man

Choose the word in the following sentence that functions as an adjective. The birthday present was a dollhouse. dollhouse birthday present was

Bardell, Inc. prepared its statement of cash flows for the year. The following information is taken from that statement: Net cash provided by operating activiti

What is the equation of the line, in point-slope form, that goes through (2,-1) and is perpendicular to y = 5x + 3?

¿Qué días importantes celebras?

write (n^3)^2 without exponets

On January 1, 2018, Splash City issues $500,000 of 9% bonds, due in 20 years, with interest payable semiannually on June 30 and December 31 each year. Required

The length of a rectangle is 4 units shorter than half the width. If the length of the rectangle is 18 units, which equation canbe used to find w, the width of

Multiply. -5•-1/7•4/8. Write your answer in simplest form.