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

PLS HELP DUE IN 10 MINUTES Which sentence uses a verb that agrees with its pronoun subject ? A. You are such a good debater B.I talks to much sometimes C.You al

what is a caterer what is his job

Find the equivalent expression using the same basis (34•84)^3

Is the sequence (a) (1.2,2.4,4.8,9.6. arithmetic, geometric, or neither? If arithmetic, identify the common difference, d. If the sequence is geometric, identif

When operating a forklift, you should always maintain what kind of speed? A. High Speed B. Low Speed C. Medium Speed

Which of the following describes the pathway for maintaining equilibrium? a. Head movement → Vestibular nerve → Inner ear receptors → Cerebellum b. Head mov

Tickets to a musical cost $30 for adults and $12 for children. At one particular performance 960 people attended and $19 080 was collected in ticket sales. Find

Please help and show work Pls

who wrote the influence of sea power upon history?

Tim and Tom are trying to earn money to buy new game system over a three-month period.Tim saved $45.74 each month. If they need a total of $213.54 to buy the ga