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

solve the equation f/3 + 22= 17 What is the value of f? PLS HELP I NEED TO MAKE SURE THIS IS DONE TOMMOROW
Correct the run on sentence. Juan and David recognized each other they had been in the first grade together
The media tends to sensationalize crime perpetuating fear and misunderstanding and often ignores the ______ in which the crime takes place.
Primary succession... A. is very uncommon. B. must happen before secondary succession. C. depends on forest fires.
What instrument was first used to develop cell theory.
What is the slope of the line that contains the points (-8, 7) and (-4, -5)? A. -3 B. 1 3 C. 3 D. - 1 3
What is the main expected consequence of global climate change on rainfall?.
Evaluate the following expressions if a = 2, b = 3, X = 4, and y = 5. x² - ab/y A.1/2 B.64 C. 2 D.18
WILL GIVE BRAINLIEST What is the solution to the equation x + 8.5 = 64.5? 7.6 48 56 73
Anyone want to talk I’m bored