axsxhxlxexyx1106
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

x
²+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

Please help me noone will help i just need two questions answered someone for the love of god please hELp me
80 girls and boys have planned for a movie. They are in a ratio of 6 girls to 2 boys. How many girls are there?
During the Vietnam War, the Viet Cong had the advantage of superior equipment and firepower. superior geographic knowledge of the region. support of the South V
Who was the first president to take the oath of office in the white house?
What is grams or kilograms?
You should choose __________ as often as possible. A. animal proteins B. natural or lightly processed foods C. processed and packaged foods D. da
In the years 1840-1850, which southern state had the largest free black population?
Irrational numbers are
Which city has the largest population in the world?
what were 4 problems with the articles of confederation?