SOLUTION: I'm having some trouble with this question: - f(x) = -13x2 - 7x4 - 11x - find f(5) - A) 538 B) -6288203 C) 639 D) -4595 E) -4,755 F) -3456

SOLUTION: I'm having some trouble with this question: - f(x) = -13x2 - 7x4 - 11x - find f(5) - A) 538 B) -6288203 C) 639 D) -4595 E) -4,755 F) -3456 - Any help would b

Question 754243: I'm having some trouble with this question:
-
f(x) = -13x2 - 7x4 - 11x
- find f(5)
-
A) 538
B) -6288203
C) 639
D) -4595
E) -4,755
F) -3456
-
Any help would be hugely appreciated.
Answer by rothauserc(4718) (Show Source): You can put this solution on YOUR website!
f(x) = -13x^2 - 7x^4 - 11x
- find f(5)
f(5) means substitute 5 for x and we have
f(5) = -13*5^2 -7*5^4 -11*5
f(5) = -13*25 -7*625 -55
f(5) = -1325 -4375 -55 = -5755
answer E should be -5755

RELATED QUESTIONS
13. f(x) = -13x2 - 7x4 - 11x find f(5) A. 538 B. -6288203 C. 639 D. -4595 E. (answered by math_tutor2020,josgarithmetic)

Domain and Range- 12. f(x) = 7 - 5x + 7x2 find f(-9) A. 639 B. -4,755 C. (answered by Fombitz)

11. f(x) = 11x - 5x2 + 4 find f(-4) A. 619 B. -4,755 C. -6288203 D. 639 E.... (answered by josgarithmetic,math_tutor2020)

15. f(x) = -13x2 + 12x + 14 g(x) = 11x - 13 find f(g(7)) A. -162,632 B.... (answered by ikleyn)

Domain and Range- 16. f(x) = 11x + 15 g(x) = -11x3 - 15x2 + 13x - 13... (answered by ikleyn)

15. f(x) = -13x2 + 12x + 14 g(x) = 11x - 13 find f(g(7)) A. -162,632 B. -6288203 C.... (answered by josgarithmetic)

I dont know how to get these? I only know f(x) 's? help me please! f(x) = 15x - 12 (answered by MathLover1)

f(x) = 15x - 12 g(x) = -15x^2 + 14x - 10 find g(g(7)) A. -6288203 B. 6543... (answered by Cromlix,Alan3354)

17. f(x) = 15x3 + 13x2 - 15x + 15 g(x) = 15x + 11 find g(f(9)) A. 639 B.... (answered by ikleyn,MathLover1)