alidowejr alidowejr
  • 01-10-2018
  • Mathematics
contestada

What is f(–3) for the function f(a) = –2a2 – 5a + 4?

Respuesta :

musiclover10045
musiclover10045 musiclover10045
  • 01-10-2018

f(a) = –2a2 – 5a + 4

f(–3)

Replace a with -3:

-2(-3)^2 -5(-3) +4=

-2(9) +15 +4 =

-18 + 19 = 1

Answer Link

Otras preguntas

Estimate the angle of elevation from the trailhead to the summit.
given: quadrilateral ABCD with ∠A= ∠C and BD the bisector ∠ABC prove: DB bisects ∠ADC
Which technological development enabled European navigators to determine their location during the Age of Exploration? (1) lateen sail (2) astrolabe (3) cross
How do enzymes help to carry out biochemical reactions? A. By decreasing the energy of the reactants B. By increasing the activation energy of the reaction C. B
A boy can swim 75 feet in 12 seconds. What is his rate to the nearest mile per hour?
A boy can swim 75 feet in 12 seconds. What is his rate to the nearest mile per hour?
If y^8= 4 and y^7=3/x, what is the value of y in terms of x?
If 4x+5y=10 and x+3y = 8 then (5x+8y)/3=
A pizza with 2 toppings from Maria's Pizza Place costs $11.00.A pizza with 5 toppings from Maria's Pizza Place costs $14.75.Each topping at Maria's Pizza Place
When y = x^2, which of the following expressions is equivalent to –y ?